Tags give the ability to mark specific points in history as being important
Debian release 0.16~a2.git20130520-1
Upstream version 0.16~a2.git20130520
Uploaded 0.15.1-2+squeeze1~bpo50+1 to lenny-backports
Uploaded 0.15.1-1~bpo50+1 to lenny-backports
Debian release 0.14.2.git20100726-1
Upstream version 0.14.2.git20100726