Fix for python 3 and newer packages

[pe2mbs]

Hi,

I made the changes for python 3 and update to later version of most packages.

• Flask (1.0.2)
• Jinja2 (2.10)
• MarkupSafe (1.0)
• PyYAML (3.12)
• argh>=0.25.0 (0.26.2)
• itsdangerous (1.1.0)
• pathtools==0.1.2
• requests (2.21.0)
• robotframework (3.1.1)
• watchdog (0.9.0)
• tornado==6.0.2
• Werkzeug (0.14.1)
• robotframework-requests (0.5.0)
• robotframework-selenium2library (3.0.0)
• click (7.0)
• urllib3 (1.22)
• idna (2.6)
• certif (2018.1.18)
• chardet (3.0.4)
• robotframework-seleniumlibrary (3.3.1)
• selenium (3.141.0)

Updated the test cases to remove Obsolete keyword in Selenium2Library. And corrected some test cases for RobotFramework 3.x / Python 3
Updated documentation Split requirements into production / development Some test cases depended on specific installation, this dependency is corrected.

[pe2mbs]

So it seems no maintenance will be done of this repository. My repository will contain a lot of updates, including: auto detection of libraries, improved logging, improved configuration using YAML, utilize sqlalchemy for the database and many more....