xhh f8a5e900f8 Add parameterToString to normalize parameters for Java client
* Convert values to string for query/header/form parameters.
* For parameter of type Date, convert to ISO 8601 format.
* Also add utility methods to parse date in ISO 8601 format.
2015-03-18 18:58:13 +08:00
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2015-02-23 23:03:18 -08:00