add support for bundler
Merge switch to ruby_parser
still require 1.8 due to errors on 1.9
Merge next bump in dependencies
Minor documentation fix.
Merge branch 'rc/bundler' of https://github.com/rctay/sexp_path into rctay-rc/bundler
Introduce the `remaining` matcher.

Matches all remaining input, but has a few odd characteristics at the moment.
1. Any matchers found after it will be ignored
2. You cannot use it with a named capture
Actually add the `remaining` matcher...
Upgrade to use ruby 1.9 and ruby_parser
Ignore Gemfile.lock
Version bump to 0.5.0