I20230919-1800
* Do further improvements to Java constant hover - add logic to do unsigned parsing and to do Integer parsing when l/L suffix is missing - add negation support - add floating-point exponent sign support - fixes #795
* Do further improvements to Java constant hover - add logic to do unsigned parsing and to do Integer parsing when l/L suffix is missing - add negation support - add floating-point exponent sign support - fixes #795