jdwfly

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------> HTTPClientWithCache <------

This class is a wrapper around the standard Titanium.Network.HTTPClient(), but it adds a
few nice features:

  * A cache backed by a SQLite database. All HTTPClientWithCache instances use the same database table, with
    the primary cache key being a hash of the full URL (and any data parameters in a POST)
  * The cache is automatically pruned before each query
  * A retry mechanism, so that you can retry a particular query a number of times before failing.