- Raised version number for read_char-implementation.

 - Added ENABLE_READCHAR_VIA_TERMIOS option to configuration files.

 - Implemented read_char in two variants, one using standard, general
   C-compliant fgetc, one using termios.

 - Fixed complication argument order.
 - Added "-f" flag to rm in clean target to suppress warnings.

 - Raised version number for trace-fix and compilation error due to
   missing stream.h
 - (Second raise due to forgotton "b2" increment.)

 - Raised version number for trace-fix and compilation error due to
   missing stream.h.

 - Added #ifdef ENABLE_TRACING around turn_on_trace().
 - Added forgotten streams.h inclusion.

 - Fixed install directory to use $(HOME) instead of hardcoded path.
 - Disabled tracing by default.