Add ISO8601 date format (yyyy-MM-dd) to parseIso8601 utility function.

timeutils.nim

@@ -2,6 +2,7 @@ import times
 
 const zeroTime = fromUnix(0)
 const ISO_8601_FORMATS = @[
+  "yyyy-MM-dd",
   "yyyy-MM-dd'T'HH:mm:ssz",
   "yyyy-MM-dd'T'HH:mm:sszzz",
   "yyyy-MM-dd'T'HH:mm:ss'.'fffzzz",

timeutils.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.5.3"
+version       = "0.5.4"
 author        = "Jonathan Bernard"
 description   = "Utility methods to fill in the lacking time support in Nim\'s stdlib."
 license       = "BSD3"