Rename a couple methods
Rename toString() methods to toGroovy()
Improve a few string concatenations
Extract GetPropertiesMethod class from Element.getProperties()
Code clean-up in AddEdgeMethod and Graph classes
Give graph instances a default 'g' identifier
Add ArgumentList.stringifyArgument() method
Extract SetPropertiesMethod class from Element.setProperties()
Extract AddPropertiesMethod class from Element.addProperties()
Extract SetPropertyMethod class from Element.setProperty()
Extract AddPropertyMethod class from Element.addProperty()
Replace some simple _.each() loops with native for…in loops
Remove unused require('lodash')
Remove typo