Add normalize_path function, to canonicalize paths
Removed check for free quota on every file upload to improve performance
Add checks for file permissions before writing/reading files on the local fs
In case of errors the script doesn't stop and continue working
Moved utime varible into the curl command line
Made output realy quiet if -q option set
Add copy function
Fixed unicode problem in file listing
Add cp command
Updated changelog
Updated version
Merge branch 'master' of github.com:andreafabrizi/Dropbox-Uploader