Edits to Documentation.txt and README.md

Added some more valuable information to the Documentation.txt file and
edited Installation Instructions within the README file.
Added legal disclaimer

Added and formatted the legal disclaimer
Added Error catching functionality

Added Error catching functionality and logging capability
Modified error catching

Worked with Nichollette and Adam to fix error catching. Redirects all
errors to project folder, file is called Error.txt. Also modified GUI
so disclaimer does not display every time script is run.
Merge pull request #5 from Repositro/master

Final Pull Request