Created functional subpackage, added Function1 and Function2
Added Mapping
Added javadoc to Mapping.java + fixed a minor bug
Small change to Function2.java
Added Function interfaces 3 - 9
Added Functions.java
Merged math_general into master
Some minor change to Functions.java
Added Tuple2 - Tuple9, Tuples, FList
Added Functor.java
Added Monoid.java
Renamed Mapping.java to Lists.java, added two exceptions.
Improved Monoid generics
Added infix method, $, to Functions.java
Added monads
Improved functional lists; added the FunctionalList interface, made FList an instance of said interface, small changes to Lists.java
Added null checks to the tuples constructors, and javadoc to the tuple classes
Moved the zip functions from Tuples to Lists, added/changed some javadoc
Merged branch develop into master
Fixed packaging after refactoring