Added informative error handling when connector environment not setup correctly
Added informative error handling when connector environment not setup correctly

coinme/coinme-connector,coinme/robocoin-connector,coinme/coinme-connector,coinme/coinme-connector,coinme/robocoin-connector,msmyers/coinme-connector,msmyers/coinme-connector,RoboCoin/robocoin-connector,RoboCoin/robocoin-connector,msmyers/coinme-connector,coinme/robocoin-connector