TYTUŁ: My own command interpreter

AUTOR: KAMIL PIOTROWSKI

FEATURES:
	
	1. execute commands with arguments (max 200)
	2. Run sequential commands using ";"
	3. Run parrallel commands in background using "&"
	4. Support comments
	5. Handle zombie processess
	6. Streams forwarding (stdin "<" and stdout ">",">>" )
	7. Finished command alert with returned status
	8. interactive and bath mode
	9. Pipe (max 100).
	10. Job suspending (CTRL+Z), JOBS, FG, BG implementation
	11. Handle CTRL+C signal, you should use "exit" to exit interpreter
	12. "echo" command implementation
	13. variables
	14. Env variables