Summary: Fix up logic in ChunkedOutputStream.write
Reviewed-by: jccollet

Summary: Set inputStream back to null in disconnectInternal().
Reviewed-by: chegar

Summary: Add null-awareness to ccache read
Reviewed-by: valeriep

Summary: PA-DATA is optional, only read it when it exists
Reviewed-by: valeriep

Summary: Added a space to cookie separator. Generified the code and added tags.
Reviewed-by: chegar