hintint R.trim documentation towards strip
add R.call
Merge pull request #556 from fyyyyy/master

Was looking for a strip, but couldn't find it. Cause it's called R.trim
add npm run target for jshint
updated R.useWith example
Merge pull request #580 from arcseldon/jshintnpm

add npm run target for jshint
documentation fix for R.tail on potential return values
Merge pull request #582 from arcseldon/taildoc

Documentation fix for R.tail on potential return values
Merge pull request #581 from arcseldon/useWithExample

Updated R.useWith example
Merge pull request #575 from davidchambers/call

add R.call
Merge branch 'master' into init
init function returns all but the last element of list