Add Windows support

[WandersonGN]

Status

READY

Description

This pull request adds support for Windows by initializing colorama when loading the interpreter module, so colored output can be printed to Windows's command prompt, and by using pyreadline on Windows systems as a replacement for Linux's readline module. Closes Issue #619

Verification

Provide steps to test or reproduce the PR.

1. Clone git clone https://github.com/threat9/routersploit && cd routersploit
2. Install python3 setup.py install
3. Execute rsf

Checklist

• [X] Write feature
• [X] Document Additional requirements and Installation on Windows

[lucyoa]

Checks does not pass, please fix it according to what travis says.