initial messages support
preliminary support for the media endpoint
add support for messages from the account resource
fix hierarchy for media resource
spacing
remove duplicate media class
fixes for media
support multiple post params with the same key
add Makefile to bring library in line with standards
Merge branch 'master' of github.com:twilio/twilio-ruby
finish sip-in
Address -> IpAddress
Change make install to install local copy of gem

It might lead to confusion otherwise as people might assume that they
are installing the version they are working on rather than the latest
version from rubygems.org.
Add standard resource tests
update gitignore
add docs
Use twilio-ruby filter in make install
remove Images
Merge pull request #3 from carlosdp/remake

Change "make install" target to install local copy of gem (maybe?)
return super or it will get ignored (thanks carlos)