added usage and parameter handling for pwgen operator
use --clearmodifiers switch with xdokey so that holding down shift doesn't screw up my passwords
added todo
add known issue
added delay, TODO note
rename retrieve function to reduce ambiguity with plan english comments
added show function
minor
moved code for updating a record into a separate function
Merge branch 'master' into pwgen
added support for random password generation using pwgen
added dependency check for pwgen