implements nullmove pruning

See merge request !25

Resolve "implenent futility-pruning"

See merge request !24

# Conflicts:
#	Pj-KI/src/Main.java

merge TranspositionTable to main

See merge request !23

TranspositionTable & Zobrist Hashing implementation
Age method of node added

# Conflicts:
#	Pj-KI/src/ZobristHashing.java

TranspositionTable & Zobrist Hashing implementation
Age method of node added

Resolve "implement Zugsortierung"

See merge request !22

TranspositionTable & Zobrist Hashing first implementation
Age method of node in TT needs to be added

This reverts commit db30bfa7.

TranspositionTable & Zobrist Hashing first implementation
Age method of node in TT needs to be added

fix UpdateBoard and add tests

See merge request !19

add better test class

See merge request !18

implement first Version of Futility Pruning

See merge request !17

create runnable connection between two instances and server from isis

See merge request !16

# Conflicts:
#	Pj-KI/src/Main.java