restored case insensitivity, corrected some naming and comments
restored case insensitivity, corrected some naming and comments

TimDix/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,avdevs/concrete5,matt9mg/concrete5,avdevs/concrete5,matt9mg/concrete5,TimDix/concrete5,MichaelMaar/concrete5,avdevs/concrete5,TimDix/concrete5,MichaelMaar/concrete5