Merge pull request #49 from cavedude00/master

merge
Merge pull request #50 from cavedude00/master

merge
Merge pull request #51 from cavedude00/master

Updates to netcode (crc32 was wrong on some packets .-.)
Merge pull request #52 from cavedude00/master

merge
removed op_deleteitem and related code used on modern client
Merge pull request #136 from regneq/master

removed op_deleteitem and related code used on modern client