Version represents a parsed rclone version number
New parses a version number from a string
This will be returned with up to 4 elements for major, minor, patch, subpatch release.
If the version number represents a compiled from git version number, then it will be returned as major, minor, 999, 999
Cmp compares two versions returning >0, <0 or 0
IsGit returns true if the current version was compiled from git
String converts v to a string