#2: Added ExportTrackingRequest, TrackingStates, ExportTrackingResult.
#3: Details in documentation.
#3: Added UML template with all the relations.
#3: Added generated relations data.
#3: Relations graph added to index.rst.
#3: Small bugfixes.
#5: Released alpha version 0.9.0 for @jstavel.
#3: Added colors to UML.
Code from __init__.py moved to ltp.py.

__init__ will contain only AMQP interface.
#9: Fixed tests.
#9: Tests expanded to test new features in mods_postprocessor.py.
#3, #2: Added docstrings to some of the communication structures.
#3, #2: UML updated to reflect new hierarchy.
#9: Fixed bug in unittests.
#3: Fixed erros in documentation after split to the ltp.py.
#2: Added connection to AMQP.
#2: structures.py; Two classes renamed.

- TrackingStates -> TrackingState
- ExportTrackingResult -> TrackingResult
#3: Fixed bugs in docstrings.
Fixed #14 - package_id parameter made optional.
New version.