lispy.el (lispy--occur-action): simplify
lispy.el (lispy-pair): add space when wrapping region

* lispy-test.el (lispy-parens): Add test.
lispy.el (lispy--occur-action): simplify
lispy.el (lispy-bind-variable): add and bind to "xb"

* lispy.el (lispy-bind-var-in-progress): New variable.
  (lispy-mark-symbol): Turn off `iedit' when
  `lispy-bind-var-in-progress' is t.
lispy.el (lispy-open-line): add and bind to "<C-return>"
lispy.el (lispy-teleport): only within current defun