Bumped version number to v0.2.2 (#8)

### Fixed
- added missing library in client request/request.h file

Release/v0.2.1 (#6)

### Added
- ldap implementation
- login auth
- IP address ban
- Multithreading serversided

### Fixed
- Makefile clientside
- missing library in request.h

Feature/ue02

v0.1.0