#50 VulnException#save should no longer drop comments.
#49 Sanitize site description when saving.
Bumping version to pick up bug fixes.
Converts to using #as_xml methods to assemble sanitized XML.
Adds test method to SharedCredential.

Also converts to as_xml/to_xml XML marshalling.
Adds in missing Filter constants.
Adds few more useful scan template methods.
Adds console configuration methods.
Adding group_assets method.
Referencing console.rb so it actually gets pulled in.
Bumping version to bring in latest additions.
Merges in latest from master.