Fix Rexster client not being instantiable

v0.2.6

Merge branch 'v0.2.6'

Better handling of errors in Rexster client

v0.2.5

Merge branch 'v0.2.5' into develop

Fix escaping bug when editing model properties

v0.2.4

Merge branch 'develop'

Model methods now defined in gremlin.groovy file

v0.2.3

Bump to v0.2.3

Allow overriding of custom Groovy functions in Schema

Allow overriding of custom Groovy functions in Schema

Allow passing parameters to custom Groovy functions

Allow passing parameters to custom Groovy functions

v0.2.0

Support for custom Groovy scripts

v0.1.0

Retrieve elements from graph as model instances if available

v0.0.1

Changelog:

• partial support of vertex indices for Titan v0.4.0