many fixes and additions to use money clases in CBidAskQuote
merge subtraction fix into money_trial branch
merge master multiplication test and code
Merge branch 'master' into money_trial

Conflicts:
	money.hpp
	test/test-money_calc.cpp
remove money::epsilon function
Merge branch 'master' into money_trial

Conflicts:
	money.hpp
add all the other random comparison combinations
handle 64-bit x 32-bit multiplication with overflow detection
prevent money interger multiple with 64-bits
avoid left side 64-bit integer multiply problem by not enabling left-side interger multiply