Some minor cleaning up.
Some minor cleaning up.

nickerso/libcellml,hsorby/libcellml,MichaelClerx/libcellml,cellml/libcellml,hsorby/libcellml,cellml/libcellml,MichaelClerx/libcellml,hsorby/libcellml,nickerso/libcellml,MichaelClerx/libcellml,nickerso/libcellml,cellml/libcellml,nickerso/libcellml,cellml/libcellml,hsorby/libcellml