initial updates to support changes introduced by SFDC APIs v31 & 32
update application version
forgot to change path of AppVersion action after changing its package
added tests to check Interface completion
added initial support for Interface method completion
added memory stats to AppVersion response
listModified now also reports deleted files
starting metadata API v32.0 method of returning retrieve result has changed slightly
no real changes, just cosmetics
added new command: deployModifiedDestructive