uh funny forget to free things

src/interpreter.c

@@ -95,6 +95,7 @@ next:
             void* ptr = (void*) tape_ptr(tape);
             memcpy(&old, ptr, sizeof(Tape*));
             memset(ptr, 0, sizeof(Tape*));
+            tape_free(tape);
             free(old);
             break;
         }

src/program.c

@@ -54,8 +54,9 @@ retest:
         case '%':
             return Clear;
         case '\n':
+        case '\t':
         case ' ':
-            while(c = next_char(), c == '\n' || c == ' ');
+            while(c = next_char(), c == '\n' || c == '\t' || c == ' ');
             goto retest;
         case '/':
             while(c = next_char(), c != '\n' && c != EOF);