Rename mine:handle-thing-at-point-word-part -> mine:execute-by-type
Add newline
Add condition
Refactor
Refactor
Rename
Convert to number
Delete needless codes

Delete needless variables
Use global variable instead of argument
Move region function
Delete needless function

Delete needless calculation
Move default function
Fix wrong condition
Switch function by pushed times of C-u
Save prefix-arg's number
Refactor
Delete needless function
Add comments
Move function