Improve parsing xml to work with sub_processes. Add gateways as well.
Add MatchedFragment, SubProcess to visualization. Display diagram with patterns if any.
Add 3rd version of Parallel Split and fix tests after changes regarding sets over arrays.
Serialize graph using default serialisation mechanism provided by ActiveRecord (yaml instead of gzip) because of constantly emerging errors regarding zlib headers.
Implement all of the 7 basic patterns.
Fix dimensions of a graph. It has to be calculated by elements' positions not on imageable sizing.
Add drawing different kind of gateways. Add an info panel where informations about hovered fragments can be displayed.
Add label to connectors in visualization.