Seperating mapcompile into files.

tools/mapcompile/helper.py

@@ -0,0 +1,5 @@
+def floatToFixed248(value):
+  # Converts a float to the fixed248_t used internally.
+  high24 = int(value) & 0xFFFFFF
+  low8 = int((value * 256.0 - high24) * 256.0) & 0xFF
+  return (high24 << 8) | low8