Removed a TODO ISO comment.

We're not currently validating cycle points in the CLI code.
Removed more outdated TODO comments.
Removed a TODO ISO comment, and tidied purge command help.
ISO TODO: relative final integer point works now.
Removed a TODO ISO comment.
Another TODO ISO: fixed the submit command.
Removed a debug print line.
Fixed a cycle point extraction re.
Leaving input checking to the daemon.
Disabled graph view range time zoom.
Adjust previous for relative integer stop point.
Merge pull request #1146 from hjoliver/todo-iso.other

Address more TODO ISO comments.