Remove String#parameterize. It was not implemented in the Inflector because of the need to transliterate the string
Add DescendantsTracker
Version bump
Ported Concern and Callbacks from ActiveSupport
Version bump
README update
Another README update
Added missing dependencies
Add new stuff to README
Convenience methods for logger
Port phone number conversions over from ActiveSupport.
Merge branch 'numeric_helper'
Fix docs for `Object#in?`.

The comment said that you can optionally pass multiple arguments. The code
doesn't allow this, so I fixed the comment.

To be clear, in case there is pushback: the code was correct and the
comment was wrong.  `Object#in?` should definitely not allow multiple
arguments, because that would make its contract ambiguous. And an
ambiguous contract is worse than useless. Peoplw who call it will get
unpredictable behavior.

See related discussions in ActiveSupport, going back to when I first
added `Object#in?` to Rails:

* https://github.com/rails/rails/pull/10394
* https://github.com/rails/rails/pull/258#issuecomment-985570
* https://rails.lighthouseapp.com/projects/8994/tickets/6321#ticket-6321-5
* https://github.com/rails/rails/pull/258#issuecomment-986523
Merge pull request #9 from BMorearty/fix-in-doc

Fix docs for `Object#in?`.
Add more delegation to NSDictionary
add with_indifferent_access specs
Merge pull request #10 from clayallsopp/add_nsdict_methods

Add more delegation to NSDictionary
add cgi to requires
Merge pull request #11 from clayallsopp/add_cgi

Add CGI to object ext requirement
Fix test that broke because RubyMotion got higher precision in nsec formatting.