More speedups for Store

Hello VWNC,

  And the TimeProfiler was still showing considerable string
  manipulation... another thing that caught my eye was that
  instances of GeneralBindingReference were being sent asString
  numerous times, only to have that string written to a stream.

  In other words, asString created its own stream to get the contents,
  so that those contents could be written to another stream.

  I fixed that as well.  I'm still hoping I didn't miss anything, or I
  guess I will be forced to build a new Store repository...

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Best regards,
 Andres                          mailto:[hidden email]