supported to convert the _ and -
fixed a bug of white_list
made clime.core as a CLI program
added doc
Revert "made dealias private"

This reverts commit 890b10de23f83012d30087d0e258f048818329d2.

Conflicts:
	clime/core.py
fixed a casting bug
added doc for keyword-first resolving
added a blank line
refined the example
upgraded repeat.py
updated all doc
changed version
updated the README.rst