initialize file array

add cache clearing

add file caching

fix reading files from pk2 archive directly

replace path separators

add pk2 reader

Added player invitation opcodes

Added exchange opcodes

Added Opcodes for entity selection

remove schema files after relocation to own repo

do not init protocol packet handlers via booter

fix check for existing phases

Remove traces of old packet handler code

Merge pull request #2 from ferdoran/feature/network-handler-refactoring

Make packet handlers scalable by using channels