initial method reorg
added docs for new float and double of
fixed of floating point tests
fixed of floating point demos
added extra harmonicNumber property
added of floating-point properties
fixed bigIntegerValue tests
fixed bigIntegerValue docs
fixed bigIntegerValue demos
finished bigIntegerValue properties
added docs for to-integral methods
added to-integral tests
added integral value demos
added long constructors, to-integral properties
rearranged to-BigDecimal methods and tests
continued work on bigDecimal conversion demos
fixed to-BigDecimal demos
added propertiesHasTerminatingDecimalExpansion
continued working on bigDecimalValue properties
continued work on BigDecimal conversion