Some minor cleaning up.
Some minor cleaning up.

Replaced "x.0" with "x" so that we can, later on, check that we do indeed generate "x.0" (something that can be important in some languages when, say, dividing numbers).

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