Improved logging of uploads. - INFO log: "Starting upload of file_name to vault_name 	     Description: description" - DEBUG log: all progress updates. - INFO log: final progress update.
Improved logging of uploads.
- INFO log: "Starting upload of file_name to vault_name
	     Description: description"
- DEBUG log: all progress updates.
- INFO log: final progress update.

maliciamrg/amazon-glacier-cmd-interface,redbaron76/amazon-glacier-cmd-interface,gidsg/amazon-glacier-cmd-interface,gburca/amazon-glacier-cmd-interface,uskudnik/amazon-glacier-cmd-interface,sirkubax/amazon-glacier-cmd-interface