Comments: Added verbose comments

.gitignore: Added to handle node_module folder

node_modules: Removed from remote repository

libs:
 Added verbose documententation per function for future plans on auto-
 documentation.
Merge branch 'master' of github.com:jas-/node-dhcp-manager
Test: Updated redis session test case

test:
 test-sessions-redis.js: Updated to disabled tests when not chose during
                         installation and/or configuration

pakage.json: Updated to reflect dependancies