v2019.11.1

Core:
+ user can set log level from arguments (--loglevel LOGLEVEL)
+ fix update issue

Dev:
- remove changelog.py
+ retry 3 times if site is temporary not responding. if fails, try other mirrors.
+ fix script godev.sh issue with uninstalling ezsub
+ fix some typo and instructions in readme
+ minor refactoring mirrors.py

-------------------

v2019.10.28

Core:
+ add color to screen outputs

-------------------

v2019.10.26

Core:
+ commands: download, unzip, clean, backup, update, login, info, history

Dev:
+ travis
+ logging
+ scripts
+ spellcheck

-------------------

v2019.10.17

Core:
+ initial empty release
