added pipe file
added test file and modified pipe
preliminary code
Merge branch 'armando_branch' of github.com:shrapnelstorm/short_shorts into siva_branch
lock server code added
Code for server data added - contains classes lock_status, server_data and Ledger
added more manager code
minor changes to lock server
Adding lock_server code to master
Merge branch 'armando_branch'