Petri Net API/Java v.1.0.1
--------------------------

+ added decomposition into non-overlapping scenarios
+ added support for role annotations in OWFNs

Petri Net API/Java v.1.0.0
--------------------------

+ created basic Petri Net API function
+ created basic parser for reading Petri nets in LoLA format
+ created basic Petri net output in Graphviz DOT format