initial notes about tutorials
adds a compile time multithreading switch
statically bind the async_read_handler
add better clarification to exception printing
add switchable 1 vs 2 thread testee server operation
statically bind frame read and write handlers
add custom config to testee server to allow easier tuning
adjust default read buffer size based on profiling
disable boundary checking in inner read loop
additional support for compile time disabling of multithreading features
cache the binding of async read and write handler callbacks
caches callback functions rather than copying them from handler to handler
removes some range checking in an inner read loop
switched asio read and write handler to use a custom allocator
update changelog