Times cosmetic changes (#10237)

* Add more Date wrappers to jscore

* Times cosmetic changes
- Improved docs
- Code wrapped at 80 chars
- Formatting fixes using nimpretty
- Remove some old deprecated procs

lib/js/jscore.nim

@@ -73,7 +73,7 @@ proc parse*(d: DateLib, s: cstring): int {.importcpp.}
 proc newDate*(): DateTime {.
   importcpp: "new Date()".}
 
-proc newDate*(date: int|string): DateTime {.
+proc newDate*(date: int|int64|string): DateTime {.
   importcpp: "new Date(#)".}
 
 proc newDate*(year, month, day, hours, minutes,
@@ -90,6 +90,16 @@ proc getSeconds*(d: DateTime): int {.importcpp.}
 proc getYear*(d: DateTime): int {.importcpp.}
 proc getTime*(d: DateTime): int {.importcpp.}
 proc toString*(d: DateTime): cstring {.importcpp.}
+proc getUTCDate*(d: DateTime): int {.importcpp.}
+proc getUTCFullYear*(d: DateTime): int {.importcpp.}
+proc getUTCHours*(d: DateTime): int {.importcpp.}
+proc getUTCMilliseconds*(d: DateTime): int {.importcpp.}
+proc getUTCMinutes*(d: DateTime): int {.importcpp.}
+proc getUTCMonth*(d: DateTime): int {.importcpp.}
+proc getUTCSeconds*(d: DateTime): int {.importcpp.}
+proc getUTCDay*(d: DateTime): int {.importcpp.}
+proc getTimezoneOffset*(d: DateTime): int {.importcpp.}
+proc setFullYear*(d: DateTime, year: int) {.importcpp.}
 
 #JSON library
 proc stringify*(l: JsonLib, s: JsRoot): cstring {.importcpp.}