As of 3.0.0, the History.md file has been deprecated. Please refer to the full commit logs available on GitHub.

• Merge pull request #423 from ehntoo/patch-1
• Merge pull request #422 from ljharb/fix_descriptor_tests
• Fix a small bug in the .null assertion docs
• Use a regex to account for property ordering issues across engines.
• Add make test-firefox
• Merge pull request #417 from astorije/astorije/minimalist-typo
• Remove trailing whitespaces
• Fix super minor typo in an example
• Merge pull request #408 from ljharb/enumerableProperty
• Add ownPropertyDescriptor assertion.

• Merge pull request #405 from chaijs/deep-escape-doc-tweaks
• Tweak documentation on .deep flag.
• Merge pull request #402 from umireon/escaping-dot-should-be-taken
• Documentation of escaping in .deep flag.
• take regular expression apart
• Feature: backslash-escaping in .deep.property
• Escaping dot should be taken in deep property

• Merge pull request #396 from chaijs/add-keith-cirkel-contributing-md
• Add Keith Cirkel to CONTRIBUTING.md
• Merge pull request #395 from cjqed/386-assert-operator-no-eval
• No longer using eval on assert operator #386
• Merge pull request #389 from chaijs/update-git-summary
• Update git summary in README

• Merge pull request #385 from eldritch-fossicker/master
• updates to reflect code style preference from @keithamus
• fix indexing into array with deep propery
• Merge pull request #382 from astorije/patch-2
• Merge pull request #383 from gurdiga/config-doc-wording-improvement
• config.truncateThreshold docs: simpler wording
• Add missing docstring for showDiff argument of assert
• Merge pull request #381 from astorije/patch-1
• Add a minor precision that empty asserts on strings too.
• Merge pull request #379 from dcneiner/should-primitive-fix
• Primitives now use valueOf in shouldGetter

• Merge pull request #374 from jmm/v2.0.1
• Increment version to 2.0.1.
• Merge pull request #365 from chaijs/fix-travis
• Fix travis.yml deploy
• Merge pull request #356 from Soviut/master
• documented fail methods for expect and should interfaces
• fail method added directly to expect

• Merge pull request #361 from gregglind/b265-keys-object
• fix #359. Add .keys(object)
• Merge pull request #359 from gregglind/b359-unexpected-keys-sort
• Fix #359 keys() sorts input unexpectedly
• contrib: publish release strategy and travis npm creds #337
• Merge pull request #357 from danilovaz/master
• Update copyright date
• Merge pull request #349 from toastynerd/add-which-chain-method
• add the which chain method as per issue #347
• Merge pull request #333 from cmpolis/change-assertions
• more by cleanup
• cleaned out .by for #333
• Merge pull request #335 from DingoEatingFuzz/expose-util
• Expose chai util through the chai object
• cleanup (per notes on pr #333)
• updated change to work w/ non-number values tests
• Merge pull request #334 from hurrymaplelad/patch-1
• Typo, the flag is called 'contains' with an 's'
• updated assertion interface with change (#330)
• added change,increase,decrease assertions (#330)
• assert tests for change,increase,decrease
• expect/should tests for change,increase,decrease
• Merge pull request #328 from lo1tuma/issue-327
• Add includes and contains alias (fixes #327)
• Merge pull request #325 from chasenlehara/overwriteChainableMethodDocs
• Fix docs for overwriteChainableMethod parameters
• Merge pull request #317 from jasonkarns/patch-2
• Merge pull request #318 from jasonkarns/patch-3
• Merge pull request #316 from jasonkarns/patch-1
• typos in docs
• minor docs typo
• update docs: getAllFlags -> transferFlags
• Merge pull request #313 from cjqed/254-expect-any-all
• Added the all and any flags for keys assertion, with all being the default behavior
• Merge pull request #312 from cjqed/291-assert-same-deep-members
• Changed public comment of sameDeepMemebers to be more clear
• Fixes issue #291, adds assert.sameDeepMembers
• Merge pull request #311 from cjqed/305-above-below-on-assert
• Merge pull request #308 from prodatakey/hasproperty
• Issue #305 fixed, added assert.isAbove and assert.isBelow
• Fix typo
• More unit tests for new utility functions
• Refactor common functionality, document, test
• Refactor if statement out
• Small unit test fix
• Handle array indexing terminating paths
• Merge pull request #309 from ericdouglas/iterableEqual-couting-once
• couting variables just once
• Fix properties with undefined value pass property assertion
• Merge pull request #306 from chaijs/revert-297-noopchainfunc
• Revert "Allows writing lint-friendly tests"

• Merge pull request #297 from prodatakey/noopchainfunc
• Merge pull request #300 from julienw/299-fix-getMessage-test
• Fix #299: the test is defining global variables
• Add a couple more unit tests
• Add unit tests for chained terminating property asserts
• Revise documentation wording
• Add docs for function style NOOP asserts
• Make the NOOP function a shared constant
• Merge pull request #298 from dasilvacontin/negativeZeroLogging
• why not more assertions
• added test for inspecting -0
• a more readable/simple condition statement, as pointed out by @keithamus
• added check for logging negative zero
• Change test to not trigger argument bug
• Allows writing lint-friendly tests
• readme: update contributors for 1.9.2

• Merge pull request #268 from charlierudolph/cr-lazyMessages
• Merge pull request #269 from charlierudolph/cr-codeCleanup
• Merge pull request #277 from charlierudolph/fix-doc
• Merge pull request #279 from mohayonao/fix-closeTo
• Merge pull request #292 from boneskull/mocha
• resolves #255: upgrade mocha
• Merge pull request #289 from charlierudolph/cr-dryUpCode
• Dry up code
• Merge pull request #275 from DrRataplan/master
• assert: .closeTo() verify value's type before assertion
• Rewrite pretty-printing HTML elements to prevent throwing internal errors Fixes errors occuring when using a non-native DOM implementation
• Fix assert documentation
• Remove unused argument
• Allow messages to be functions
• Merge pull request #267 from shinnn/master
• Use SVG badge
• Merge pull request #264 from cjthompson/keys_diff
• Show diff for keys assertion

• deps update
• util: [getActual] select actual logic now allows undefined for actual. Closes #183
• docs: [config] make public, express param type
• Merge pull request #251 from romario333/threshold3
• Fix issue #166 - configurable threshold in objDisplay.
• Move configuration options to config.js.
• Merge pull request #233 from Empeeric/master
• Merge pull request #244 from leider/fix_for_contains
• Merge pull request #247 from didoarellano/typo-fixes
• Fix typos
• Merge pull request #245 from lfac-pt/patch-1
• Update exports.version to 1.9.0
• aborting loop on finding
• declaring variable only once
• additional test finds incomplete implementation
• simplified code
• fixing #239 (without changing chai.js)
• ssfi as it should be
• Merge pull request #228 from duncanbeevers/deep_members
• Deep equality check for collection membership

• docs: add contributing.md #238
• assert: .throws() returns thrown error. Closes #185
• Merge pull request #232 from laconbass/assert-throws
• assert: .fail() parameter mismatch. Closes #206
• Merge branch 'karma-fixes'
• Add karma phantomjs launcher
• Use latest karma and sauce launcher
• Karma tweaks
• Merge pull request #230 from jkroso/include
• Merge pull request #237 from chaijs/coverage
• Add coverage to npmignore
• Remove lib-cov from test-travisci dependents
• Remove the not longer needed lcov reporter
• Test coverage with istanbul
• Remove jscoverage
• Remove coveralls
• Merge pull request #226 from duncanbeevers/add_has
• Avoid error instantiation if possible on assert.throws
• Merge pull request #231 from duncanbeevers/update_copyright_year
• Update Copyright notices to 2014
• handle negation correctly
• add failing test case
• support {a:1,b:2}.should.include({a:1})
• Merge pull request #224 from vbardales/master
• Add has to language chains
• Merge pull request #219 from demands/overwrite_chainable
• return error on throw method to chain on error properties, possibly different from message
• util: store chainable behavior in a __methods object on ctx
• util: code style fix
• util: add overwriteChainableMethod utility (for #215)
• Merge pull request #217 from demands/test_cleanup
• test: make it possible to run utilities tests with --watch
• makefile: change location of karma-runner bin script
• Merge pull request #202 from andreineculau/patch-2
• test: add tests for throwing custom errors
• Merge pull request #201 from andreineculau/patch-1
• test: updated for the new assertion errors
• core: improve message for assertion errors (throw assertion)

• pkg: update deep-eql version

• test: [sauce] add a few more browsers
• Merge branch 'refactor/deep-equal'
• util: remove embedded deep equal utility
• util: replace embedded deep equal with external module
• Merge branch 'feature/karma'
• docs: add sauce badge to readme [ci skip]
• test: [sauce] use karma@canary to prevent timeouts
• travis: only run on node 0.10
• test: [karma] use karma phantomjs runner
• Merge pull request #181 from tricknotes/fix-highlight
• Fix highlight for example code

• coverage: add coveralls badge
• test: [coveralls] add coveralls api integration. testing travis-ci integration
• Merge branch 'master' of github.com:chaijs/chai
• Merge branch 'feature/bower'
• Merge pull request #180 from tricknotes/modify-method-title
• Merge pull request #179 from tricknotes/highlight-code-example
• Modify method title to include argument name
• Fix to highlight code example
• bower: granular ignores

• Merge branch 'feature/bower'. #175
• bower: add json file
• build: browser

• error: remove internal assertion error constructor
• core: [assertion-error] replace internal assertion error with dep
• deps: add chaijs/[email protected]
• docs: fix typo in source file. #174
• Merge pull request #174 from piecioshka/master
• typo
• Merge branch 'master' of github.com:chaijs/chai
• pkg: lock mocha/mocha-phantomjs versions (for now)
• Merge pull request #173 from chaijs/inspect-fix
• Fix utils.inspect with custom object-returning inspect()s.
• Merge pull request #171 from Bartvds/master
• replaced tabs with 2 spaces
• added assert.notOk()
• Merge pull request #169 from katsgeorgeek/topics/master
• Fix comparison objects.

• Merge pull request #168 from katsgeorgeek/topics/master
• Add test for different RegExp flags.
• Add test for regexp comparison.
• Downgrade mocha version for fix running Phantom tests.
• Fix comparison equality of two regexps.
• Merge pull request #161 from brandonpayton/master
• Fix documented name for assert interfaces isDefined method

• build: browser
• assert: [(not)include] throw on incompatible haystack. Closes #142
• assert: [notInclude] add assert.notInclude. Closes #158
• browser build
• makefile: force browser build on browser-test
• makefile: use component for browser build
• core: [assertions] remove extraneous comments
• Merge branch 'master' of github.com:chaijs/chai
• test: [assert] deep equal ordering
• Merge pull request #153 from NickHeiner/array-assertions
• giving members a no-flag assertion
• Code review comments - changing syntax
• Code review comments
• Adding members and memberEquals assertions for checking for subsets and set equality. Implements #148.
• Merge pull request #140 from RubenVerborgh/function-prototype
• Restore the call and apply methods of Function when adding a chainable method.
• readme: 2013
• notes: migration notes for deep equal changes
• test: for ever err() there must be a passing version

• docs: add Release Notes for non-gitlog summary of changes.
• lib: update copyright to 2013
• Merge branch 'refactor/travis'
• makefile: remove test-component for full test run
• pkg: script test now runs make test so travis will test browser
• browser: build
• tests: refactor some tests to support new objDisplay output
• test: [bootstrap] normalize boostrap across all test scenarios
• assertions: refactor some assertions to use objDisplay instead of inspect
• util: [objDisplay] normalize output of functions
• makefile: refactor for full build scenarios
• component: fix build bug where missing util:type file
• assertions: [throw] code cleanup
• Merge branch 'refactor/typeDetection'
• browser: build
• makefile: chai.js is .PHONY so it builds every time
• test: [expect] add arguments type detection test
• core/assertions: [type] (a/an) refactor to use type detection utility
• util: add cross-browser type detection utility
• Merge branch 'feature/component'
• browser: build
• component: add component.json file
• makefile: refactor for fine grain control of testing scenarios
• test: add mochaPhantomJS support and component test file
• deps: add component and mocha-phantomjs for browser testing
• ignore: update ignore files for component support
• travis: run for all branches
• Merge branch 'feature/showDiff'
• test: [Assertion] configruable showDiff flag. Closes #132
• lib: [Assertion] add configurable showDiff flag. #132
• Merge branch 'feature/saucelabs'
• Merge branch 'master' into feature/saucelabs
• browser: build
• support: add mocha cloud runner, client, and html test page
• test: [saucelabs] add auth placeholder
• deps: add mocha-cloud
• Merge pull request #136 from whatthejeff/message_fix
• Merge pull request #138 from timnew/master
• Fix issue #137, test message existence by using message!=null rather than using message
• Fixed backwards negation messages.
• Merge pull request #133 from RubenVerborgh/throw
• Functions throwing strings can reliably be tested.
• Merge pull request #131 from RubenVerborgh/proto
• Cache whether proto is supported.
• Use proto if available.
• Determine the property names to exclude beforehand.
• Merge pull request #126 from RubenVerborgh/eqls
• Add alias eqls for eql.
• Use inherited enumerable properties in deep equality comparison.
• Show inherited properties when inspecting an object.
• Add new getProperties and getEnumerableProperties utils.
• showDiff: force true for equal and eql

• browser build: (object diff support when used with mocha) #106
• test: [display] array test for mocha object diff
• browser: no longer need different AssertionError constructor

• showDiff: force diff for equal and eql. #106
• test: [expect] type null. #122
• Merge pull request #115 from eshao/fix-assert-Throw
• FIX: assert.Throw checks error type/message
• TST: assert.Throw should check error type/message

• pre-release browser build
• clean up index.js to not check for cov, revert package.json to use index.js
• convert tests to use new bootstrap
• refactor testing bootstrap
• use spaces (not tabs). Clean up #114
• Merge pull request #114 from trantorLiu/master
• Add most() (alias: lte) and least() (alias: gte) to the API with new chainers "at" and "of".
• Change main to ./lib/chai. Fixes #28.
• Merge pull request #104 from connec/deep_equals_circular_references_
• Merge pull request #109 from nnarhinen/patch-1
• Check for 'actual' type
• Added support for circular references when checking deep (in)equality.

• browser build w/ folio >= 0.3.4. Closes #99
• add back buffer test for deep equal
• do not write flags to assertion.prototype
• remove buffer test from expect
• browser build
• improve documentation of custom error messages
• Merge branch 'master' of git://github.com/Liffft/chai into Liffft-master
• browser build
• improved buffer deep equal checking
• mocha is npm test command
• Cleaning up the js style…
• expect tests now include message pass-through
• packaging up browser-side changes…
• Increasing Throws error message verbosity
• Should syntax: piping message through
• Make globalShould test work in browser too.
• Add a setter for Object.prototype.should. Closes #86.

• Merge branch 'feature/errmsg'
• browser build
• comment updates for utilities
• tweak objDislay to only kick in if object inspection is too long
• Merge branch 'master' into feature/errmsg
• add display sample for error message refactor
• first draft of error message refactor. #93
• add closeTo assertion to assert interface. Closes #89.
• update folio build for better require.js handling. Closes #85
• Merge pull request #92 from paulmillr/topics/add-dom-checks
• Add check for DOM objects.
• browser build
• Merge branch 'master' of github.com:chaijs/chai
• bug - getActual not defaulting to assertion subject
• Merge pull request #88 from pwnall/master
• Don't inspect() assertion arguments if the assertion passes.

• improve commonjs support on browser build
• Merge pull request #83 from tkazec/equals
• Document .equals
• Add .equals as an alias of .equal
• remove unused browser prefix/suffix
• Merge branch 'feature/folio-build'
• browser build
• using folio to compile
• clean up makefile
• early folio 0.3.x support

• browser build
• Disable "Assertion.includeStack is false" test in IE.
• Use utils.getName for all function inspections.
• Merge pull request #80 from kilianc/closeTo
• fixes #79
• browser build
• expand docs to indicate change of subject for chaining. Closes #78
• add that chain noop
• Merge branch 'bug/74'
• comments on how to property use length as chain. Closes #74
• tests for length as chainable property. #74
• add support for length as chainable prop/method.
• Merge branch 'bug/77'
• tests for getPathValue when working with nested arrays. Closes #77
• add getPathValue support for nested arrays
• browser build
• fix bug for missing browser utils
• compile tool aware of new folder layout
• Merge branch 'refactor/1dot1'
• move core assertions to own file and refactor all using utils
• rearrange folder structure

• Merge pull request #68 from fizker/itself
• Added itself chain.
• simplify error inspections for cross browser compatibility
• fix safari addChainableMethod errors. Closes #69

• Point Travis badge to the right place.
• Make error message for eql/deep.equal more clear.
• Fix .not.deep.equal.
• contributors list

• Merge pull request #67 from chaijs/chaining-and-flags
• Browser build.
• Use addChainableMethod to get away from __proto__ manipulation.
• New addChainableMethod utility.
• Replace getAllFlags with transferFlags utility.
• browser build
• test - get all flags
• utility - get all flags
• Add .mailmap to .npmignore.
• Add a .mailmap file to fix my name in shortlogs.

• browser build
• Fixing "an" vs. "a" grammar in type assertions.
• Uniformize assert interface inline docs.
• Don't use instanceof for assert.isArray.
• Add deep flag for equality and property value.
• Merge pull request #64 from chaijs/assertion-docs
• Uniformize assertion inline docs.
• Add npm-debug.log to .gitignore.
• no reserved words as actuals. #62

• readme cleanup
• browser build
• utility comments
• removed docs
• update to package.json
• docs build
• comments / docs updates
• plugins app cleanup
• Merge pull request #61 from joliss/doc
• Fix and improve documentation of assert.equal and friends
• browser build
• doc checkpoint - texture
• Update chai-jquery link
• Use defined return value of Assertion extension functions
• Update utility docs

• Merge branch 'feature/rc3'
• docs update
• browser build
• assert test conformity for minor refactor api
• assert minor refactor
• update util tests for new add/overwrite prop/method format
• added chai.Assertion.add/overwrite prop/method for plugin toolbox
• add/overwrite prop/method don't make assumptions about context
• doc test suite
• docs don't need coverage
• refactor all simple chains into one forEach loop, for clean documentation
• updated npm ignore
• remove old docs
• docs checkpoint - guide styled
• Merge pull request #59 from joliss/doc
• Document how to run the test suite
• don't need to rebuild docs to view
• dep update
• docs checkpoint - api section
• comment updates for docs
• new doc site checkpoint - plugin directory!
• Merge pull request #57 from kossnocorp/patch-1
• Fix typo: devDependancies → devDependencies
• Using message flag in getMessage util instead of old msg property.
• Adding self to package.json contributors.
• getMessage shouldn't choke on null/omitted messages.
• return this not necessary in example.
• return this not necessary in example.
• Sinon–Chai has a dash
• updated plugins list for docs

• Merge branch 'feature/test-cov'
• browser build
• missing assert tests for ownProperty
• appropriate assert equivalent for expect.to.have.property(key, val)
• reset AssertionError to include full stack
• test for plugin utilities
• overwrite Property and Method now ensure chain
• version notes in readme

• browser build (rc1)
• assert match/notMatch tests
• assert interface - notMatch, ownProperty, notOwnProperty, ownPropertyVal, ownPropertyNotVal
• cleaner should interface export.
• added chai.Assertion.prototype._obj (getter) for quick access to object flag
• moved almostEqual / almostDeepEqual to stats plugin
• added mocha.opts
• Add test for utils.addMethod
• Fix a typo
• Add test for utils.overwriteMethod
• Fix a typo
• Browser build
• Add undefined assertion
• Add null assertion
• Fix an issue with mocha --watch
• travis no longer tests on node 0.4.x
• removing unnecissary carbon dep
• Merge branch 'feature/plugins-app'
• docs build
• templates for docs express app for plugin directory
• express app for plugin and static serving
• added web server deps
• Merge pull request #54 from josher19/master
• Remove old test.assert code
• Use util.inspect instead of inspect for deepAlmostEqual and almostEqual
• browser build
• Added almostEqual and deepAlmostEqual to assert test suite.
• bug - context determinants for utils
• dec=0 means rounding, so assert.deepAlmostEqual({pi: 3.1416}, {pi: 3}, 0) is true
• wrong travis link
• readme updates for version information
• travis tests 0.5.x branch as well
• [bug] util addProperty not correctly exporting
• read me version notes
• browser build 1.0.0alpha1
• not using reserved words in internal assertions. #52
• version tick
• clean up redundant tests
• Merge branch 'refs/heads/0.6.x'
• update version tag in package 1.0.0alpha1
• browser build
• added utility tests to browser specs
• beginning utility testing
• updated utility comments
• utility - overwriteMethod
• utility - overwriteProperty
• utility - addMethod
• utility - addProperty
• missing ;
• contributors list update
• Merge branch 'refs/heads/0.6.x-docs' into 0.6.x
• Added guide link to docs. WIP
• Include/contain are now both properties and methods
• Add an alias annotation
• Remove usless function wrapper
• Fix a typo
• A/an are now both properties and methods
• [docs] new site homepage layout / color checkpoint
• Ignore IE-specific error properties.
• Fixing order of error message test.
• New cross-browser getName util.
• Fixing up AssertionError inheritance.
• backup docs
• Add doctypes
• [bug] was still using constructor.name in throw assertion
• [bug] flag Object.create(null) instead of new Object
• [test] browser build
• [refactor] all usage of Assertion.prototype.assert now uses template tags and flags
• [refactor] remove Assertion.prototype.inspect for testable object inspection
• [refactor] object to test is now stored in flag, with ssfi and custom message
• [bug] flag util - don't return on set
• [docs] comments for getMessage utility
• [feature] getMessage
• [feature] testing utilities
• [refactor] flag doesn't require call
• Make order of source files well-defined
• Added support for throw(errorInstance).
• Use a foolproof method of grabbing an error's name.
• Removed constructor.name check from throw.
• disabled stackTrack configuration tests until api is stable again
• first version of line displayed error for node js (unstable)
• refactor core Assertion to use flag utility for negation
• added flag utility
• tests for assert interface negatives. Closed #42
• added assertion negatives that were missing. #42
• Support for expected and actual parameters in assert-style error object
• chai as promised - readme
• Added assert.fail. Closes #40
• better error message for assert.operator. Closes #39
• [refactor] Assertion#property to use getPathValue property
• added getPathValue utility helper
• removed todo about browser build
• version notes
• version bumb 0.6.0
• browser build
• [refactor] browser compile function to replace with `require('./error')' with 'require('./browser/error')'
• [feature] browser uses different error.js
• [refactor] error without chai.fail
• Assertion & interfaces use new utils helper export
• [refactor] primary export for new plugin util usage
• added util index.js helper
• added 2012 to copyright headers
• Added DeepEqual assertions

• Merge branch 'refs/heads/jgonera-oldbrowsers'
• browser build
• fixed reserved names for old browsers in interface/assert
• fixed reserved names for old browsers in interface/should
• fixed: chai.js no longer contains fail()
• fixed reserved names for old browsers in Assertion
• Merge pull request #49 from joliss/build-order
• Make order of source files well-defined
• Merge pull request #43 from zzen/patch-1
• Support for expected and actual parameters in assert-style error object
• chai as promised - readme

• browser build
• Merge branch 'feature/assert-fail'
• Added assert.fail. Closes #40
• Merge branch 'bug/operator-msg'
• better error message for assert.operator. Closes #39
• version notes

• chai.fail no longer exists
• Merge branch 'feature/assertdefined'
• Added asset#isDefined. Closes #37.
• dev docs update for Assertion#assert

• [bug] on inspect of reg on n 0.4.12
• Merge branch 'bug/33-throws'
• Merge pull request #35 from logicalparadox/empty-object
• browser build
• updated #throw docs
• Assertion#throw should tests updated
• Assertion#throw expect tests
• Should interface supports multiple throw parameters
• Update Assertion#throw to support strings and type checks.
• Add more tests for empty in should.
• Add more tests for empty in expect.
• Merge branch 'master' into empty-object
• don't switch act/exp
• Merge pull request #34 from logicalparadox/assert-operator
• Update the compiled verison.
• Add assert.operator.
• Notes on messages. #22
• browser build
• have been test
• below tests
• Merge branch 'feature/actexp'
• browser build
• remove unnecessary fail export
• full support for actual/expected where relevant
• Assertion.assert support expected value
• clean up error
• Update the compiled version.
• Add object & sane arguments support to Assertion#empty.

• fix for process not available in browser when used via browserify. Closes #28
• Merge pull request #31 from joliss/doc
• Document that "should" works in browsers other than IE
• Merge pull request #30 from logicalparadox/assert-tests
• Update the browser version of chai.
• Update assert.doesNotThrow test in order to check the use case when type is a string.
• Add test for assert.ifError.
• Falsey -> falsy.
• Full coverage for assert.throws and assert.doesNotThrow.
• Add test for assert.doesNotThrow.
• Add test for assert.throws.
• Add test for assert.length.
• Add test for assert.include.
• Add test for assert.isBoolean.
• Fix the implementation of assert.isNumber.
• Add test for assert.isNumber.
• Add test for assert.isString.
• Add test for assert.isArray.
• Add test for assert.isUndefined.
• Add test for assert.isNotNull.
• Fix assert.isNotNull implementation.
• Fix assert.isNull implementation.
• Add test for assert.isNull.
• Add test for assert.notDeepEqual.
• Add test for assert.deepEqual.
• Add test for assert.notStrictEqual.
• Add test for assert.strictEqual.
• Add test for assert.notEqual.

• Merge pull request #27 from logicalparadox/type-fix
• Update the browser version.
• Add should tests for type checks.
• Add function type check test.
• Add more type checks tests.
• Add test for new Number type check.
• Fix type of actual checks.

• docs and readme for upcoming 0.4.0
• docs generated
• putting coverage and tests for docs in docs/out/support
• make docs
• makefile copy necessary resources for tests in docs
• rename configuration test
• Merge pull request #21 from logicalparadox/close-to
• Update the browser version.
• Update closeTo() docs.
• Add Assertion.closeTo() method.
• Add .closeTo() should test.
• Add .closeTo() expect test.
• Merge pull request #20 from logicalparadox/satisfy
• Update the browser version.
• .. -> () in .satisfy() should test.
• Update example for .satisfy().
• Update the compiled browser version.
• Add Assertion.satisfy() method.
• Add .satisfy() should test.
• Add .satisfy() expect test.
• Merge pull request #19 from logicalparadox/respond-to
• Update the compiled browser version.
• Add respondTo Assertion.
• Add respondTo should test.
• Add respondTo expect test.
• Merge branch 'feature/coverage'
• mocha coverage support
• doc contributors
• README contributors

• inline comment typos for #15
• Merge branch 'refs/heads/jeffbski-configErrorStackCompat'
• includeStack documentation for all interfaces
• suite name more generic
• Update test to be compatible with browsers that do not support err.stack
• udpated compiled chai.js and added to browser tests
• Allow inclusion of stack trace for Assert error messages to be configurable
• docs sharing buttons
• sinon-chai link
• doc updates
• read me updates include plugins

• Merge pull request #14 from jfirebaugh/configurable_properties
• Make Assertion.prototype properties configurable

• codex version
• docs
• docs cleanup

• node 0.4.x compat

• Merge branch 'feature/03x'
• browser build
• remove html/json/headers testign
• regex error.message testing
• tests for using plugins
• Merge pull request #11 from domenic/master
• Make chai.use a no-op if the function has already been used.

• added in past tense switch for been

• try that again

• added been (past of be) alias

• added Throw, with a capital T, as an alias to throw (#7)

• update gitignore for vim *.swp
• Merge branch 'feature/plugins'
• browser build
• interfaces now work with use
• simple .use function. See #9.
• readme notice on browser compat

• added assert tests to browser test runner
• browser update
• should interface patch for primitives support in FF
• fix isObject() Thanks @milewise
• travis only on branch master
• add instanceof alias instanceOf. #6
• some tests for assert module

• commenting for assert interface
• updated codex dep

• browser tests pass
• type in should.not.equal
• test for should (not) exist
• added should.exist and should.not.exist
• browser uses tdd
• convert tests to tdd

• browser lib update for new assert interface compatiblitiy
• inspect typos
• added strict equal negatives and ifError
• interface assert had doesNotThrow
• added should tests to browser
• new expect empty tests
• should test browser compat
• Fix typo for instanceof docs. Closes #3 [ci skip]

• much cleaner reporting string on error.

• [docs] for upcoming 0.1.2
• browser version built with pre/suffix … all tests passing
• make / compile now use prefix/suffix correctly
• code clean
• prefix/suffix to wrap browser output to prevent conflicts with other require methods.
• Merge branch 'feature/should4xcompatibility'
• compile for browser tests.. all pass
• added header/status/html/json
• throw tests
• should.throw & should.not.throw shortcuts
• improved throw type detection and messaging
• contain is now include … keys modifier is now contain
• removed object() test
• removed #respondTo
• Merge branch 'bug/2'
• replaced defineGetter with defineProperty for all uses
• [docs] change mp tracking code
• docs site updated with assert (TDD) interface
• updated doc comments for assert interface

• docs ready for upcoming 0.1.1
• readme image fixed [ci skip]
• more readme tweaks [ci skip]
• réadmet image fixed [ci skip]
• documentation
• codex locked in version 0.0.5
• more comments to assertions for docs
• assertions fully commented, browser library updated
• adding codex as doc dependancy
• prepping for docs
• assertion component completely commented for documentation
• added exist test
• var expect outside of browser if check
• added keywords to package.json

• failing on purpose successful .. back to normal
• testing travis failure
• assert#arguments getter
• readme typo
• updated README
• added travis and npmignore
• copyright notices … think i got them all
• moved expect interface to own file for consistency
• assert ui deepEqual
• browser tests expect (all working)
• browser version built
• chai.fail (should ui)
• expect tests browser compatible
• tests for should and expect (all pass)
• moved fail to primary export
• should compatibility testing
• within, greaterThan, object, keys,
• Aliases
• Assertion#property now correctly works with negate and undefined values
• error message language matches should
• Assertion#respondTo
• Assertion now uses inspect util
• git ignore node modules
• should is exported
• AssertionError proto from Error.prototype
• add should interface for should.js compatibility
• moved eql to until folder and added inspect from (joyent/node)
• added mocha for testing
• browser build for current api
• multiple .property assertions
• added deep equal from node

• cleaner output on error
• improved exists detection
• package remnant artifact
• empty deep equal
• test browser build
• assertion cleanup
• client compile script
• makefile
• most of the basic assertions
• allow no parameters to assertion error
• name change
• assertion error instance
• main exports: assert() & expect()
• initialize