Added flags to language specifiction. Added optional expect string to language specification. Added some exaple grammars for testing and demos

Makefile

@@ -1,13 +1,18 @@
 CC = gcc
-CFLAGS = -ansi -pedantic -Wall -Werror -g
+CFLAGS = -ansi -pedantic -Wall -Wno-overlength-strings -Werror -g
 
 TESTS = $(wildcard tests/*.c)
+EXAMPLES = $(wildcard examples/*.c)
+EXAMPLESEXE = $(EXAMPLES:.c=)
 
-all: check 
+all: $(EXAMPLESEXE) check 
   
 check: $(TESTS) mpc.c
 	$(CC) $(CFLAGS) $^ -lm -o test
 	./test
   
+examples/%: examples/%.c mpc.c
+	$(CC) $(CFLAGS) $^ -lm -o $@
+  
 clean:
 	rm test