MFH: Fixed bug#44897 - failed to prepare statement
After a PS "CALL()" we have at least one result set. If the SP does also some, then
we need to clean the wire more fool-proof.

Sync with bzr

Update ext/mysql's and ext/mysqli's tests
Add mysqli_stmt_more_result()/mysqli_stmt_next_result(), but only in
mysqlnd builds as libmysql doesn't support this feature.

MFB: Update CVS from the development tree

Small updates & a fix for
Bug #43832 mysqi_get_charset() doesn't expose charset comment

- Don't modify the variables which are passed for parameter binding.
We need to clone them, if there will be a transformation (convert_to_xxx)
which will change the origin
(bug#4439

- Don't modify the variables which are passed for parameter binding.
We need to clone them, if there will be a transformation (convert_to_xxx)
which will change the origin
(bug#44390 bind_param / bind_result and Object member variables)
- Make mysqlnd more compatible to libmysql, in this case if the execute of
a statement fails set the state of the statement back to PREPARED
- A test case to check the case of a failing statement.

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Fix memory errors<

MFH: fix win32 build

some config.w32 fixes
moved mysqlnd's block allocator to a separate file and also now
it's part of the connection, no MT problems.

More optimizations - less MM calls
Clearly separated fetching (physical reading) from decoding phases (data
interpretation). Threaded fetching added but disabled as needs more work for
Wi

More optimizations - less MM calls
Clearly separated fetching (physical reading) from decoding phases (data
interpretation). Threaded fetching added but disabled as needs more work for
Windows. For Linux needs some touches to add pthreads if this is enabled,
probably with a compile-time switch.
The code reorganisation makes it easy to add also async API, similar to
cURL's one.

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Merge with internal version

- Fix problems with double definitions
- Clean up a bit a type mess - 4 types less. No need to have aliases
for the same thing (unification is the name).
- New macro for Johannes mysqln

- Fix problems with double definitions
- Clean up a bit a type mess - 4 types less. No need to have aliases
for the same thing (unification is the name).
- New macro for Johannes mysqlnd_stmt_ro_result_metadata

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MFH: Bump copyright year, 2 of 2.

Fix build for mysqlnd

Import mysqlnd
Patch ext/mysql and ext/mysqli to support mysqlnd