Latest: 1.2-8

Signed-off-by: nixnodes <code@eth.si>
Added --backup <data type>, --nobackup, --[u]sleep <timeout> (rev. 8)
Fixed --[pre|post]exec to process variables in command string (rev. 8)
Various fixes and improvements (rev. 8)

Signed-off-by: nixnodes <code@eth.si>