Added specific errors for most validation errors
Added specific errors for most validation errors

divanovGH/voluptuous,artburkart/voluptuous,tuukkamustonen/voluptuous,tuukkamustonen/voluptuous,jmwri/voluptuous,natlownes/voluptuous,alecthomas/voluptuous,SimplyKnownAsG/voluptuous,alecthomas/voluptuous,SimplyKnownAsG/voluptuous