nitdbg: Added function to process commands
Added command print/p to print a variable

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>
nitdbg: Added the possibility to step over and instruction

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>
nitdbg: Added the possibility to continue the execution without stopping on each statement

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>
nitdbg: Added comments to separate the code into regions

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>
nitdbg: Added possibility to step-out of a function

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>
nitdbg: Added step-in function

Signed-off-by: Lucas BAJOLET <r4pass@hotmail.com>