adding support for cssproc
adding docs
adding docs
review feedback
adding unit tests for the new cssproc feature. organizing the tests better
Merge pull request #19 from lzhan/updateyui

update yui to 3.11.0
Merge pull request #20 from lzhan/updateyui

update yui version for example
adding css-modules example
better error control in examples
merging upstream
typo
Merge pull request #18 from caridy/cssproc

adding support for `app.yui.plugin({ cssproc: true })`
updating docs for v0.5.7
bumping to v0.5.7
adding support for custom filter and combine when generating seed urls
adding expyui.debug() middleware
adding example of how to use the custom debug mode
updating docs, reprecating app.yui.debugMode() in favor of the middleware
adding history entry for 0.5.8
removing debugMode() now that it is deprecated