Proof of concept Clang interface to generate Objective-C docs (rel. #56)
fixed xml test
Merge branch 'master' into jp-objc

* master:
  reduce casting
  Test script was missing a slash
  Fix test invocation
  Run tests with relative paths
  Allow the specification of relative paths in more places
  Allow the specification of relative paths
  [.gitignore] Ignore all xcuserdata dirs

Conflicts:
	sourcekitten/main.swift
	test.sh
fixed build & tests
updated clang headers
removed unnecessary header search path
Formatting
now parses xcodebuild to generate docs for objc headers
more documentation
Merge branch 'master' into jp-objc

* master:
  fix issue where JSON output would be malformed due to sourcekitten crashing
- refactored to remove unnecessary var's that could be let's
- combined compiler extraction functions into compiler_arguments_from_xcodebuild_output(_:language:)
move all compiler argument filtering into compiler_arguments_from_xcodebuild_output(_:language:)
Bump version to 0.2.3
Merge pull request #12 from jpsim/jp-objc

Parse Objective-C header files