fix Gmail library
add Gmail test script
fix config read library
modify crontab
read config variables
modify .h4notifier.ini
read all config variables to globals
split facebook function and graph api
add Facebook test script
fix send mail to multi users
Follow PEP-8 style guide
fix : Graph api get uid return value
refactor create Facebook event
refactor send invitation mail
refactor post PTT article
modify crontab
add Wikidot library
cache exceptions in Wikidot library
add Wikidot test script
將 Logger.py 移至 lib/ 目錄下