detect parsing method from while list.

to prevent from injection attacking.
use getattr's default value argument.
Merge pull request #7 from tonyseek/protect-injection

Detect parsing method from while list
normalize the decorator usage.
support to match functions with keyword arguments.
testing the key matching register.
Bugfix for timestamp
Merge pull request #8 from tonyseek/register-by-type

支持非 text 类型的规则注册（字典匹配）
bump to 0.3.0.
build universal wheel.