Fixed the user_interface pulling in the same files over and over again:

just use headers!

kernel/modelverse_kernel/compiled.py

@@ -383,6 +383,7 @@ def selectPossibleOutgoing(a, b, c, **remainder):
     raise PrimitiveFinished(result)
 
 def check_symbols(a, b, c, **remainder):
+    print("Execute check_symbols")
     symbols = {}
     function_name, = yield [("RV", [b])]
     symbols[function_name] = False
@@ -393,6 +394,7 @@ def check_symbols(a, b, c, **remainder):
     set_elements = yield [("RD", [a, i]) for i in set_values]
     symbols_set = yield [("RD", [i, "symbols"]) for i in set_elements]
     all_keys = yield [("RDK", [i]) for i in symbols_set]
+    print("VALUES:" + str(set_values))
     for i, s in zip(all_keys, symbols_set):
         # For each object we have found
         keys = yield [("RV", [j]) for j in i]
@@ -401,7 +403,11 @@ def check_symbols(a, b, c, **remainder):
         for key, value in zip(keys, values):
             k = key
             v = value
+            if k == "value_eq":
+                print("Key: " + str(k))
+                print("Value: " + str(v))
             if v and symbols.get(k, False):
+                print("Error: multi def of " + str(key))
                 result = yield [("CNV", ["ERROR: multiple definition of symbol " + str(key)])]
                 raise PrimitiveFinished(result)
             elif v and not symbols.get(k, False):
@@ -409,6 +415,7 @@ def check_symbols(a, b, c, **remainder):
             elif not v and k not in symbols:
                 symbols[k] = False
 
+    print("Symbols: " + str(symbols))
     for i, j in symbols.items():
         if i == "input" or i == "output":
             continue