shimatta/shellmatta: A tiny and flexible shell implementation to be used on embedded devices.

stefan 6531e17eb8 fixed documentation issues		%!s(int64=2) %!d(string=hai) anos
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main.dox	e3c35bd0d5 improved doxygen documentation	%!s(int64=5) %!d(string=hai) anos
shellmatta.dox	dd89a4a125 added documentation page for ymodem	%!s(int64=2) %!d(string=hai) anos
shellmatta_auth.dox	aa57ab7bf6 fix typo	%!s(int64=2) %!d(string=hai) anos
shellmatta_transport_layer.dox	6531e17eb8 fixed documentation issues	%!s(int64=2) %!d(string=hai) anos
shellmatta_ymodem.dox	6531e17eb8 fixed documentation issues	%!s(int64=2) %!d(string=hai) anos