not implementing floating point operations

Use dummy functions that throw an error saying the operation has not
been implemented.
implement SETH operation

Add new test template for wyde immediate constants.
implement SETMH, SETML, and SETL operations
implement INCH, INCMH, INCML, INCL operations
implement ORH, ORMH, ORML, ORL operations
implement ANDNH, ANDNMH, ANDNML, and ANDNL ops.