Added -v flag.

README.md

@@ -404,6 +404,11 @@ Comments start with "//", and end with the end of a line, for example:
 ```
 
 ## Development
+To identify the current interpreter version, use the `-v` flag.
+```bash
+./crumb -v
+```
+
 When debugging the interpreter, it may be useful to compile with the `-g` flag.
 ```bash 
 gcc src/*.c -g -Wall -lm -o crumb

src/main.c

@@ -41,6 +41,12 @@ int main(int argc, char *argv[]) {
     codePath = argv[2];
   }
 
+  // version help
+  if (strcmp(argv[1], "-v") == 0) {
+    printf("v0.0.2\n");
+    return 0;
+  }
+
   /* read file */
   if (debug) printf("\nCODE\n");