change JIT idea from C language to C++/LLVM

README.md

@@ -688,11 +688,13 @@ to the current "expr" library. Extending that process to the entire
 signal graph (or at least core classes within it) would benefit
 performance on a greater level.
 
-### Difficulty: Moderate to difficult. Since there is pre-existing
+### Difficulty: Moderate to difficult
+
+Since there is pre-existing
 work done with the jit "expr" library, a good start would be to help
 test that library and improve it. Once the student gains a mental
 model of the process the student can begin to extend it to Purr Data's
 DSP graph itself.
 
 ### Languages
-C.
+C++. Knowledge of LLVM will also come in handy here.