continue to edit example.py
edit large_upload_linux.py
test upload large file
fix return vaules to tuple.
Merge branch 'dev.python.largefile' into dev.python
fix _signature
Merge branch 'dev.python.largefile' into dev.python
fix upload big file, add test demo.
 finish sinastorageservice.py
Merge branch 'dev.python.largefile' into dev.python
finish python v1.0
fix requst_header encode()
add java dir
add query string extend
fix list_files
fix requst header when verb is GET
rename _signature
Merge branch 'dev.python' into dev
rename some function and variable
Merge branch 'dev.python' into dev