Class which sets up CMSSW_X_Y_Z.
Class which sets up CMSUI, CRAB, DBS, ... (work in progress)
Modified harvester to include the new module SetCMSSW.py
Changed some typos in SetCMSSW.py
Generalization of commands to interact with different Shells.
Improvement of CMSSW enviroment set up
Added CMSSW config file creator function
Added a new module to create the CMSSW cfg file.
Implement the CMSSW cfg creating in the standard process of harvesting.

*** To check and optimise:

    - read the special request files in any formatt (now the file content should be a single line)
    - check if the CMSSW cfg file is created in the correct CMSSW area!!
Bug fixing.
Install CMSSW_X_Y_Z and create a correct harvesting_area folder.
Create CMSSW cfg file in the correct harvesting_area
Bug fixing!!
first working version
Added some checks when comunicating with the server
Added some 'try - exception' for correct file handling.
Rearrange some if statements to improve DSs handling
Update class description
Update the CMSSW cofig file creation
Update screen print out in case of error
Inline comments updated
Update inline comments and function syntaxis
Edit comments to the same style as in the rest of the modules
Unnecessary code/text clean up.
Add Ivan as co-author ;)
Solve indentation bug
Update minor changes.
Updated some user customized working areas later has to be changed to standard working areas