Asynchronous release

Added new useful asynchronous operations and basic combinatorics

Added tests for old functionality

Fixed old functionality

Finalised version

Added new functions, fixed everything old, added tests for everything.

Fixes after first release

v1.1

Delete RationalOperationsTest.scala

Ready-to-use alpha version

Finalized version, that contains most of the algorithms, that were planned.

Ready-to-use version, just add it to your scala/src directive!