In FunctionView return nop, instead of text if the code fails to compile.
In FunctionView return nop, instead of text if the code fails to compile.

This prevents the data binding from breaking because FunctionProperty's preSet does an eval if given a string, which will throw an exception if the string is invalid.

foam-framework/foam,foam-framework/foam,osric-the-knight/foam,osric-the-knight/foam,mdittmer/foam,jacksonic/foam,jlhughes/foam,osric-the-knight/foam,jlhughes/foam,mdittmer/foam,foam-framework/foam,mdittmer/foam,mdittmer/foam,jacksonic/foam,foam-framework/foam,osric-the-knight/foam,jlhughes/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam,jacksonic/foam