added hlists
added missing import
added list length
added hlists
Merge branch 'hlist'

Conflicts:
	swiftz.xcodeproj/project.pbxproj
	swiftz/HList.swift
	swiftzTests/DataTests.swift
added hlist length
test pure and ap for Result
Merge pull request #49 from cheecheeo/result_tests

test `pure` and `ap` for `Result`
added workspace
added swiftz_core
swiftz core split
Moved either and result to core
Merge pull request #50 from maxpow4h/swiftzcore

swiftz_core closes #46
more result testing: Error cases
Add `imap` and `contramap` to the README
Parentheses rather than commmas
Merge pull request #51 from cheecheeo/more_result_tests

more result testing: Error cases
Merge pull request #52 from pthariensflame/master

Add `imap` and `contramap` to the README
Update README.md
Update TypeEquality.swift