Improve date handling and time zone support #1446
Merged
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Change JsDate to be based on long and helper flags. This follows JS semantics better and milliseconds maps to integral number. Tracking invalid dates with flag info about being NaN or Infinity. Also allows to stamp value as .NET DateTime
MinValue
/MaxValue
.MakeDate
/MakeDay
/MakeTime
still play with doubles as it's required by the spec and can be arithmetic with very large numbers.Added new hook in options
GetUtcOffset
which allows to plugin a strategy for getting better time zone database than available for example in Windows by default.fixes #787