2014.4.23：
- record `title` rather than `asin` in log files.
- support chinese in log files.


2014.4.24：
- refine code style, add comments
- add wiki


2014.5.9：
- diable the unwanted Requests log information


2014.7.20：
- automatically get deviceID

2014.8.4:
- bring it to PyPI: v0.1.0 released
- get log information using parameter in the terminal

2014.9.24
- v0.2.0 released
- add parameter "count" and version
- refine code style, logging, prompt, exception

2014.12.24
- v0.3.0 released
- add feature: get pending deliveries, close #5
