add Rlang-QQ highlighting
highlight [rChan| |] and ch_
Update :HPaste to use lpaste.net

hpaste.org responds with a redirect which is not handled properly.
Introduce :LPaste as a synonym to HPaste
Merge pull request #69 from feuerbach/master

Use lpaste in place of hpaste
Merge pull request #67 from aavogt/master

add Rlang-QQ highlighting
Add pattern keyword
Merge pull request #73 from andy-morris/master

Add pattern keyword
Merge github.com:dag/vim2hs