MNDR:
- split MYSQLND_NET into MYSQLND_NET and MYSQLND_VIO
MYSQLND_NET is above MYSQLND_VIO. _NET takes care of protocol packet
counting (even with compressed), while VIO is just abou

MNDR:
- split MYSQLND_NET into MYSQLND_NET and MYSQLND_VIO
MYSQLND_NET is above MYSQLND_VIO. _NET takes care of protocol packet
counting (even with compressed), while VIO is just about the network
(or in case of windows, non-network, but PIPE) transport.

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MNDR:
- some small renaming of methods

MNDR:
- send_command and send_command_handle_response_* moved to a structure

MNDR:
- move connection establishment code to own command - COM_HANDSHAKE

MNDR:
- decouple the commands from the connection. CONN ist passed now only in 1 case

MNDR:
- remove dead code

MNDR:
- clean up some things

MNDR:
- move COM_INIT_DE result handling to the command

MNDR:
- remove COM_FIELD_LIST

MNDR:
- move handling of commands to the command itself

MNDR:
- split handle_response() into handle_OK and handle_EOF

MNDR:
- now send_command_handle_response() also doesn't depend directly on
MYSQLND_CONN_DATA

MNDR:
- pass connection closer and its context
- remove unused parameter

MNDR:
- rename the macro for updating the connection state

MNDR:
- make MYSQLND_ERROR_INFO a class

MDNR:
- make MYSQLND_UPSERT_STATUS more like an object that a simple structure
Still use macros to make updates simple

MNDR:
- abstract SSL enabling into COM_ENABLE_SSL

MDNR:
- Refactor the command factory. Let the factory be exchangeable.

MDNR:
- send_command() is no more, thus we need commands for all COM_STMT_*
+ CHANGE_USER

MDNR:
- removed init() method from mysqlnd_conn_data and moved the initialization
to the object factory->get_connection(). Now it is unified as with the prepared
statement which doesn

MDNR:
- removed init() method from mysqlnd_conn_data and moved the initialization
to the object factory->get_connection(). Now it is unified as with the prepared
statement which doesn't have any init() method
- the protocol decoder factory now takes connection as parameter at creation and
thus there is no need to pass the connection as parameter when calling the read
or the write method of a packet.
- saved the protocol payload decoder factory as pointer in every packet (read/write)
so the connection doesn't need to be passed on every call of read/write (dependency
has been already injected at creation). This will alow to move protocol specific
code from MYSQLND_NET (send_ex()) to make MYSQLND_NET leaner and free from protocol
stuff.

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MNDR:
- move macro to a function

MNDR:
- Rename MYSQLND_PROTOCOL to MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY
- Rename other symbols related to MYSQLND_PROTOCOL accordingly

MNDR
- Rename simple_command* to send_command

Fix for Bug #70384 mysqli_real_query(): Unknown type 245 sent by the server

Fix for Bug #70384 mysqli_real_query(): Unknown type 245 sent by the server