WIP exec_cmd_line()

+ fix error handle in redirections()
+ rename ft_free_cmd_arr() to free_pipeline()
+ "char **path" added to "struct t_all"
+ misc

Makefile

@@ -32,6 +32,7 @@ SRCS =	main.c init.c free.c generic.c \
 		words_expansions.c expand_token.c rejoin_after_expand.c new_token_for_each_field.c \
 		ft_split_quotes.c ft_strdup_quotes.c \
 		redirections.c here_doc.c \
+		exec_cmd_line.c \
 		env.c exit.c echo.c 
 
 DIR_OBJS = builds