Merge pull request #13 from shashankrao/master

code not working for utf content
Merge pull request #18 from shashankrao/master

Added readme instructions for docx libraries
Merge pull request #19 from shashankrao/master

Added basic pdf support for linux
Merge pull request #21 from shashankrao/master

Fixed limit to 100 queries (to improve speed)
Merge pull request #22 from shashankrao/master

Fixed NoneType Errors
Enabled asynchronous execution on windows and linux
Asynchronous execution on windows and linux