PIP requirements.txt file added

cve-search required packages can be installed via PIP

sudo pip3 install -r requirements.txt
How to install required modules using pip
Bug fix: quit if there is an empty query
Terms are encoded in byte object and it doesn't match a JSON object type
Output human readable JSON
Add an advanced usage section
Code block of samples added
Most common terms option (-m) fixed
Remove unused modules
PEP
Fixed incorrect keyword used for the getranking method

Thanks to Didier Stevens and his colleague for the bug report.
Remove unused module
Cleanup and log when the process is waiting
Adding a CVE search function to the web pages
Reverse sorting order for products from vendors
Merge pull request #1 from PidgeyL/master

Web interface update: reverse vulnerable config + search interface
Add Flask-PyMongo requirement
Formatting dates to a more userfriendly datetime format
Better formatting, by using a function instead of substring, that gives the local time
More information on CVE's in Search.html, and changed 'last-modified' with 'published' in index.html and search.html