Add universal override for functional collections

Fixes #40.
Fix typo in variable name
Note allow-on-functional-collection in changelog
Merge branch 'patch-1' lunaryorn/ido-ubiquitous into bleeding-edge
Increase ido-ubiquitous-max-items to 30000

Fixes #43 for me, but this may need to be bumped further.
Disable in all tmm commands

The tmm package implements its own completion mechanics, which
ido-ubiquitous interferes with. Currently, disabling on "tmm-menubar" is
sufficient, but it is safer to just disable it for the entire package,
since there's no reason to try to make it work anyway.
Version 2.10