Initial commit.
Added basic command line parsing.
Updated Makefile to clean also temporary (*~) files.
Removed accidentally added temporary file.
Gitignore update
Removed accidentally added tobin binary file.
Updated command line arguments parsing mechanism.

Now potential retcode is passed through functino arguments.
Architecture update. Project is renamed to ltools (low-level tools).

Now ltools is organized like busybox --- its behaviour depends on name
with witch its binary (or link) is assigned. Tobin utility will be
only one in the whole set of utilities. Second one will be toheader.
Gitignore update.