Merge pull request #27 from inolen/master

fix hasNext to use matching async hasNext
 - bump titan to 0.4.0
 - don't force arg count in has and hasNot
Merge pull request #32 from inolen/has_fix

don't force arg count in has and hasNot
Merge pull request #29 from inolen/titan040

bump titan dep to 0.4.0
Merge pull request #28 from inolen/master

added support for g.v, sped up toList
 - added toString
 - remove some sync methods
 - added getProperties