Updated install script, so it can fail if there are invalid sources after installation.
Updated install script, so it can fail if there are invalid sources after installation.

pesse/utPLSQL,jgebal/utPLSQL,viniciusam/utPLSQL,lwasylow/utPLSQL,proldan/utPLSQL,viniciusam/utPLSQL,Shoelace/utPLSQL,Shoelace/utPLSQL,pesse/utPLSQL,proldan/utPLSQL,lwasylow/utPLSQL,jgebal/utPLSQL,utPLSQL/utPLSQL