Merge pull request #6 from andjo/master

Readme additions and a bit more.
Fixed #if 0 ... #else ... #endif
Overriding special Pike method defintions like `->() gets the right color
Renamed Pike.json.tmLanguage to Pike.tmLanguage.json since Sublime tried to parse the former, and that didn't go too well ;)
Added some TODO's to README.md
Added basic highlighting of doc-blocks