fixed typo in options link. (#5)
added bundleExec option to enable running CSSCSS in the context of a bundle. (#6).
updated release history to include v0.5.0 details.
added test of a glob pattern.
added example of globbing Sass files. #7.
added the ability to specify glob patterns in the src option. (#7).
added example to README of using a glob pattern.
updated release notes.
removed previous globbing example files, now the glob example targets existing CSS files.
updated to package to v0.5.0.
updated release history to include release date of v0.5.0.