use author info
清除所有結尾的空白，把所有的縮排設定成空白，http://stackoverflow.com/questions/119562/tabs-versus-spaces-in-python-programming
原本的code中縮排是tab，但唯獨這個pass的縮排是space，重新indent，並且把indent 設定為 space
Rewrite readme.md
Create method which will auto create a result directory if the result dir doesn't exist
Add notice messages, move mkdir_p out of for loop, and remember to close file
Remove unused space in output file
in json, empty is empty
Reparse the data from ncku
Merge pull request #3 from SITW/feature/redactor

Feature/redactor 
Edited by Gary Lai