fin basic function
add getFileList
add createDir() && removeDir()
add getFileInfo()
add uploadFile() && add terjs and sublime text project file
add mkdir param in uploadFile() && init README.md
add deleteFile()
rename deleteFile() to removeFile()
add notes
update README.md
update package.json and README.md
add downloadFile()
fix downloadFile() don't callback
update some api's response format && add some samples
fix error handle in stream
optimize endpoint select
update README.md
add test
update README.md
fix endpoint's default value