Bump version

Updated app

merge

Update setup.py

Changed version number

.

fixed problems with requirements.txt versions

Removed vsketch from install_requires. User will have to install it m…

…anually if they want to use plotter mode, but its not required.

Updated version number

Updated version number (v0.2-beta.3 -> v0.2) in setup.py, updated exa…

…mples notebook