Improve keyword highlighting (reported by Gianni Chiappetta)
Improve keyword highlighting (reported by Gianni Chiappetta)

Fixes #90

kotarak/vimclojure,jgrocho/vimclojure,emezeske/vimclojure,kotarak/vimclojure,jgrocho/vimclojure,jgrocho/vimclojure,kotarak/vimclojure,emezeske/vimclojure,emezeske/vimclojure