ESI plugin
--------------------

This plugin implements the ESI specification.

Version 1.3.0
-------------
- Upgrading to yts_esi_lib-1.3.0 and using yts_http_fetcher_impl-1.0.0

Version 1.2.0
-------------
- Using INKVConnClose instead of INKVConnShutdown to avoid memory
  leak
- Upgrading to yts_esi_lib-1.2.0

Version 1.1.1
-------------
- Suppressing non-200 status handling error message
- Upgrading to yts_esi_lib-1.1.1

Version 1.1.0
-------------
- Suppressing non-200 status handling error message
- Upgrading to yts_esi_lib-1.1.0

Version 1.0.1
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- Added symlink from conf/yts/plugins for backward compatibility

Version 1.0.0
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- Upgrading to yts_esi_lib-0.0.6

Version 0.0.6
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- Removing X-Esi header from outbound client response

Version 0.0.5_1
---------------
- Requiring correct version of yts_esi_lib (0.0.5)

Version 0.0.5
-------------
- Using intercept solution to POST-back and cache serialized
  form of document
- Added basic stats

Version 0.0.4_2
---------------
- Using yts_esi_lib-0.0.4

Version 0.0.4_1
---------------
- Added conf/yts_plugin_esi directory and handlers.cfg

Version 0.0.4
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- Upgrading to yts_esi_lib{,_dev}-0.0.3
- Special include handlers can now add 'footer' data
- Dealing with gzip'ed data from OS and gzip'ing output if requested

Version 0.0.3
-------------
- Conforming to API changes becase of ticket 3515300
- Partial fix to bug 3503119 (ESI plugin should return error code
  (4xx or 5xx) if it can not fetch include src url)


Version 0.0.2 
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- Upgraded to new fetch API, support for special includes

Version 0.0.1
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- Prototype implementation