Merge pull request #43 from docfaraday/multistream_unit_tests

Get ice-ufrag and ice-pwd parsing.
Adding Connection support
Adding tests for connection line
Merge pull request #44 from martinthomson/sdpwrap

Adding Connection lines
remove more unused code
Added
Checkpoint
Update
Merge pull request #46 from ekr/MS_more_negotiator

Ms more negotiator
Merge pull request #45 from nils-ohlmeier/multistream

remove more unused code
WT ... F
More attributey goodness
Merge pull request #48 from adamroach/attributes

WT ... F
Adding error passing stuff
Adding direction
Adding origin support
Adding direction test
Direction tests working, CRLF definition
Merge pull request #47 from martinthomson/sdpwrap

Adding error passing stuff
Fingerprint parse stuff.