Some integration test feng-shui.
Added to_s support to min and max.
Moved the Object stub methods to the stubs file.
Changed the min and max operators to NosSpec.
Moved the zero compare methods to numeric.
The MaxNumeric and MinNumeric are now classes so the they may be a proxy.
Checks added to forbid creating instances of these. Added max_num and min_num.
Updated the 0= method.
Updated the 0<> method.
Updated the 0> method.
Updated the 0< method.
Updated the 0>= method.
Updated the 0<= method.
Updated the 0<=> method.