Add: git ignore rules
Add: bash PROMPTING
Add: common config
Add: cdfinder function
Add: open chrome with socks proxy
Add: display color in terminal
Add: lock session quickly
Add: check md5sum file like `md5sum -c <file>` as linux
Add: check php syntax for specified path, recursively
Add: random string with 32 chars, letters and numbers appear alternately
Add: rename files with regexp with perl
Add: extract zip file with python, can handle utf8 filenames