added WARNING logger for deprecated use of _(). Updated CHANGELOG.
updated CHANGELOG.textile/
Throw unsupported operation exception if 'add' or 'set' methods using
@Incidence or @Adjacency direction is set to 'BOTH'
merged pull request from Bryn Cooke.
Allow GremlinGroovy annotations to begin with arbitrary code.
Slight modification to https://github.com/tinkerpop/frames/issues/26
Merge pull request #35 from BrynCooke/master

Clients can now start their annotation script with anything rather than just 'it' or '_()' -- solid.
2.3.0 release commit.
Fix adjacency handler for adding relationships with Direction.IN

Currently the relationships get set with Direction.OUT regardless of
what's specified on the annotation. A test for adding relationships
with an inward direction has also been added.
Added unit test for add incidence Direction.IN
Updated change log.
Merge pull request #39 from mikesname/fix_inward_add_adjacency_handler

Fix adjacency handler for adding relationships with Direction.IN
Merge pull request #40 from BrynCooke/fix_inward_add_adjacency_handler

Added unit test for add incidence Direction.IN
Frames 2.3.1 release commit.
2.4.0 branch.