Added some javadoc to ServerHndl class
- Implemented Dot class;
- Started implementation of DotBoard class;
- Changed method of receiving and sending move sequence to use StringBuilder instead of String;
Changed nbproject file
- Added simple testing server engine class (need to be implemeneted).
- Refactorized the CmdArgsParser to be more general and abstract.
- Added ArgumentException class to identify this kind of exception.
- Modfied Client to handle new type of CmdLineParser