v5.1.0

Published version 5.1.0.

The version modifies underlying structure of classes and modifies many things underneath.

From the user point of view, the changes are visible, mainly by new added methods:

• PCJ.executionBuilder
• PCJ.accumulate
• PCJ.reduce
• PCJ.collect
• PCJ.getProperty
• PCJ.joinGroup

and making some methods deprecated:

• PCJ.start
• PCJ.deploy
• PCJ.join