Some dictionary-related cleanup
Use the struct module instead of roll-your-own
pep8 changes
Use only one big-endian function
Use "normal" utils.get functions instead of _be variants
Use one common set of get functions
Remove deprecated get_*_be functions
Merge pull request #54 from msoucy/ref/python/dicts

Some dictionary-related cleanup
Merge pull request #55 from msoucy/ref/python/endian

Endianness
Fix missing comma from change in 1fbec2f
Add optional overload to the get_short and get_int functions
Rewrite packet handling for server browser
Fix bug in NAS server from 1fbec2f
Use str instead of bytearray

Fixes change I made in 97277fb
More overloads for util functions
Loop as long as there is enough data for a packet
Unpack signed to unsigned
More bugfixes. Server browser server should work
Check if the account is enabled at login

Not used yet, but possibly will be in the future.
Refactored backend server a little