Bad Math Release

• Fix a bug that my 1 hour is 24 minutes.

Better Release

New Featurs

• Add timedelta2string function to convert a datetime.timedelta object to a formated string, alias to td2s.

Changes

• Remove nlp package because it's useless.
• Add custom format to TimeCost.
• Remove dependency of pandas because it's too fat when you are not to do csv io.

v0.0.4-alpha Pre-release

Update

• Add install require to setup.py.
• Add walk_dir function in penut.utls.
• Add more detail in README.md.