Added wildcard (have bug)
Added wildcard expression with bug.
When using * with pipe,the program will become buggy.
Fixed wildcard problem, can test is it work or not.
Fixed some bug and added test file.
Added Readme
Changed wildcardExpression to become a function
This thing make my git stuck
This thing make my git stuck ar
庭玉唔該晒!!!!

Merge branch 'wildcard'

Conflicts:
	main.c