bump version to 0.5.3

Merge pull request #19 from djnym/master

Switch to pc for compiling.

Merge pull request #15 from djnym/remove-unnecessary-files

Removed some unnecessary files.

Merge pull request #14 from djnym/fix-deprecations

Fix deprecations

Merge pull request #8 from rafaltrojniak/master

Missing export of werase

Update outdated email

Cecho 0.3.0

Updates:
* Added the werase() function to clear windows
* Changed the License to "2-clause BSD"
* Make system now supports rebar
* Key input has been significantly improved using select() instead of asynchronous threads

Cecho 0.2.0

Updates:
* Vertical and horizontal lines   boxes around windows are now available
* Better makefile
* Added more functions to extend taking a window as an argument
* Added the ability to use cecho:getch() to read keyboard input using ncurses driver which means special keys are now better mapped.

Cecho 0.1.0

First release. This version contains minimum functionality to create something (somewhat) useful.