Merge pull request #27 from corifeo/master

added user agent list
Removed a unused ArgumentParser import from weevely.py
Merge pull request #28 from Cereal84/master

Removed unused import
Removed .strip() cause raw_input() remove already the last '\n' character
Python3 doesnt support raw_input and uses a new definition of input()
Erroneous use of tabs instead of whitespaces
Merge pull request #29 from Cereal84/master

Some little changes to start python 3 support
smaller sql vectors
session support
better session creation with multiple weevely per host
Merged master fixed conflict.