update files for 0.2.7 release

updating files for 0.2.6 release

fixing some english

pushing new gemspec for 0.2.4 release

more readme updates

Tag trunk as tags/bz2-0.2.2.

git-svn-id: file:///home/knu/repos/ts/bz2/tags/bz2-0.2.2@27 7b13413c-833f-de11-9cfd-0015170b777a

Tag trunk as tags/bz2-0.2.1.

git-svn-id: file:///home/knu/repos/ts/bz2/tags/bz2-0.2.1@25 7b13413c-833f-de11-9cfd-0015170b777a

Tag trunk as tags/bz2-0.2.0.

git-svn-id: file:///home/knu/repos/ts/bz2/tags/bz2-0.2.0@23 7b13413c-833f-de11-9cfd-0015170b777a

Tag trunk as tags/bz2-0.1.9.

git-svn-id: file:///home/knu/repos/ts/bz2/tags/bz2-0.1.9@21 7b13413c-833f-de11-9cfd-0015170b777a

Tag trunk as tags/bz2-0.1.8.

git-svn-id: file:///home/knu/repos/ts/bz2/tags/bz2-0.1.8@19 7b13413c-833f-de11-9cfd-0015170b777a