v0.5.0

rsl: added additional language features inspired by OAL (relate/unrelate/delete)
win32: use python2.7 when producing .exe binaries
win32: improved support for accessing the current user id, i.e. "${info.user_id}"

v0.4.4

runtime: fixed python 3.5 issue when producing diffs
cli: added test cases, and some minor backwards compatibility fixes
cli: added -integrity option that checks the model for integrity violations
ast: set filename and line number on navigation nodes