Bugfix, validator names
Bugfix, validator names

Changed names of available validators in $validators array to titlecase. In some cases (seems to depend on PHP version/settings) include/require is case sensitive, and in this case it couldn't find the validator class files.

justonestep/processwire-validator,justonestep/processwire-validator,wumble/processwire-validator,wumble/processwire-validator