Prepare stable release 0.2.0

[vsaveris]

Tasks:

• [x] Execute runAllExamples
• [x] Execute runAllSimulation
• [x] Execute regression testing
• [x] Update package README file
• [x] Update version of the package in init and setup files
• [x] Create documentation locally and review it
• [x] Merge development branch to master and add release tag
• [x] Upload new package in to the pyPi
• [x] Update project site

[vsaveris]

Regression testing executed

Ran 1620 tests in 528.989s

OK

99% lines coverage, 100% files coverage

[vsaveris]

stable version 0.2.0 released.