Documented TypeMapper
Documented ArrayMapping
Documented BooleanMapping
Added class comments
Display enum values in type string
Renamed SOAP Body, removed self reference.
Complete HostGroup Implementation.
Replace find_by_id() with find()
Added HostGroup helper methods
Better error handling during instance eval
Replace host_group_id with host_group_name
Merge branch 'feature/enable-hostgroups' into develop
Merge branch 'feature/document-typemapping' into develop
Added unlock link
Bumped version
Merge branch 'release/0.0.19' into develop