globol argument type checks now work across multiple instances of globol #globol

pre-made constants for every day of the week from #globol

improved input type checking of .parse methods of LocalTime, LocalDate, Instant #globol

added Instant .onOrAfter and .onOrBefore to #globol, to join the strict inequality methods already present

Several more conventials menthods on #globol.

Added several shortcut conversion methods to #globol for more convenient dates

Improved parse methods on #globol, adding optional silent failing, and nullish-transparency. It makes code that uses this time library shorter, and less confusing.