Version 0.4.3

  * support for carray  (Lua arrays for primitive numeric C data types)
  * notifier regsitration with threshold and direction (buffer increase/decrease)
  * new method buffer:msgcnt()
  * nextmsg: optionally reuse given carray objects

Version 0.4.2

  * Notify C API   - implementation and invocation
  * Receiver C API - implementation
  * Sender C API   - implementation
  * bugfix for using  C11 threads.h

Support for Lua 5.4

New features:

  * Do not discard messages if a buffer connected to a listener is
    garbage collected.

  * Writer & reader objects for incrementally building and parsing
    messages.

Minor fixes:

  * invoke lua_checkstack while reading from message buffer
  * assure initialised meta table (for the case that a c
    function was somehow transfered to another state)

raise only errors of string type

 * performance improved for object access by id

  * allow object names to be ambigous
  * new error: *mtmsg.error.ambiguous_name*
  * removed error: *mtmsg.error.object_exists*
  * new function: *mtmsg.type()*

initial release