add R.call
remove R.car, R.cdr, and R.cons
updated R.useWith example
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
remove 'if' alias
fix up typo in useWith documentation
Merge pull request #584 from arcseldon/useWithDoc

fix up typo in useWith documentation
Merge pull request #576 from davidchambers/lisp-aliases

remove R.car, R.cdr, and R.cons
Merge pull request #583 from buzzdecafe/noif

remove 'if' alias
Swapped examples in pPipe and pipe, fixes #586
Merge pull request #587 from bahmutov/master

Swapped examples in pPipe and pipe, fixes #586