Remove "e" abbreviation for edit-plus, as it breaks "e!".
Add Clojure language support.
Merge pull request #14 from chinigo/clojure-support

Add Clojure language support.
Merge pull request #13 from chinigo/undo-edit-plus-abbreviation

Remove "e" abbreviation for edit-plus, as it breaks "e!".
Fix default <C-b> mapping overridden by Ctrl-p

[Fixes #53999781]