Added interface for creating and listing accounts from CLI
Updated MKM documentation
Moved account specific functions to the Account class
Created pysqrl.dat file to store account data
Implemented "List Accounts" functionality in mkm
Created store and load accounts fuctionality
Create set active account functionality for mkm
Some finishing touches on mkm
Added 'active' attribute to Account class
Add active account logic to MKM
Add  'set active account' logic to CLI
Change raw_input to getpass to hide password input
Added create_account logic for a new setup
Added unlock account logic