XOP-229: stunnel cache improvements

Raise limits to 22 stunnels, idle 5min, age 3h.
Discard cache index entries for endpoints with no tunnels.
Better hashtable initial capacities.
Debug-logging to enable calculation of time saved by cache.

Signed-off-by: Thomas Sanders <thomas.sanders@citrix.com>
Merge pull request #114 from thomassa/xop229-stunnel-cache

Xop229 stunnel cache
Allow the IDL to generate code for recursive datatypes

Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Merge pull request #115 from jonludlam/rpc-light-fix

Allow the IDL to generate code for recursive datatypes
Fix Xmlrpc.a_of_response such that it doesn't call string_of_*

Also expose json_of_response (Rpc.response -> Rpc.t) which returns
the Rpc.t encoded Jsonrpc response suitable for calling to_string on.

Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Merge pull request #116 from jonludlam/rpc-light-fixes

Fix Xmlrpc.a_of_response such that it doesn't call string_of_*
Add script which can fix the broken commits in this repository

Note the resulting hashes are (of course) different.
Merge pull request #117 from djs55/fix-broken-commits

Add script which can fix the broken commits in this repository
CA-94829: Bindings to the TCP keepalive settings

Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Merge pull request #119 from jonludlam/keepalives

CA-94829: Bindings to the TCP keepalive settings
CA-97947: Case-desensitise matching of variant types

Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Merge pull request #121 from jonludlam/rpc-light-lower

CA-97947: Case-desensitise matching of variant types
Add the Int32 type to rpc-light.

Note that the autogen code never generates this, it's purely
intended for places where for whatever reason you really need to
marshal an int32 into an xmlrpc <i4> tag.

Signed-off-by: Jon Ludlam <jonathan.ludlam@eu.citrix.com>
Merge pull request #122 from jonludlam/rpc-light-int32

Add the Int32 type to rpc-light.