fixes in mapcss parser (parseZoom, error-proof eval(), missing parentesis)
match eval statements also with double quotes
appended TODO list
commented out some unused code / added todo-notes for strange parts
test user supplied mapcss stylesheets and show appropriate error messages if something goes wrong
added note to me
whitespace adjustment
more notes
fixed wrong errorline highlighting when mapcss stylesheets are provided
added mapcss example, renamed "List Areas" example