Gwenhywfar

msgio: decreased verbosity.

msgio: fixed a bug.

Need to rewind pos pointer in added messages otherwise the handling code
things the message was completely handled already.

msgio: Increased verbosity.

msgio: added GWEN_Msg_GetMaxSize().

msgio: introduced callbacks around writing packets

The AqHome project's wire protocol uses a BUSY line to mark/detect whether
the bus is currently in use.

Before sending a packet over the wire the BUSY line needs to be checked
and if free pulled down to mark the bus as BUSY. After sending the packet...

msgio: sending and receiving messages works.

msgio: set default name if none given.

msgio: more work on modules, added test. connect/accept now basically works.

msgio: More work on rewriting of new msgio module.

- added some endpoints:
- ipc
- tcp client
- tcp service
- msg layer
- added function GWEN_Msg_AddBytes()

endpoint2_tcpc: added GWEN_TcpcEndpoint2_StartConnect().

Also some beautifications and increased verbosity.

endpointmgr: increased verbosity.

os/posix/inetsocket: added missing important ERRNO (EINPROGRESS).

This is needed to actually check for result of pending connect().

msgio: Started working on 2nd iteration of endpoint code.

Simplified code.

Fixed a typo which caused APOBANK to reject a HTTP request (thanks to Anselm!!!)

Fixed a typo which caused APOBANK to reject a HTTP request (thanks to Anselm!!!)

parser: more work on json module

- handles CRLF more gracefully
- fixed function names
- added navigation functions:
- GWEN_JsonElement_FindFirstByTypeAndData()
- GWEN_JsonElement_FindNextByTypeAndData()
- GWEN_JsonElement_FindByIdxTypeAndData()
- GWEN_JsonElement_GetElementByPath()

parser: added JSON parser.

msgio: fixed a bug (hanging process).

Added dependency.

added missing files to Makefiles.

Fixed a bug (bug was also a memory leak).

Fixed memory leak.

msgio: decreased verbosity.

added core.*

msgio: fixed connectable layer to handle logically connecting.

One layer in need of logical connection over a physical layer is the
MQTT endpoint of AqHome.