Finished file push protocol
- Fixed bug in FileMeta where convertion went wrong (check for wrong property)
- Set buffer sizes down to 16000 instead (was 32000)
- Fixed bug where wrong connections where read.
- Utilities::createChecksum now throws IOException instead of Exception
- Utilities::validateHash accepts NULL values (will alwasy result to false)
- Added a general SERVER_ERROR response in case pre-processing went wrong.