fixed reloading and a few other bugs

AMBuilder

@@ -18,5 +18,10 @@ for sdk_name in SM.sdks:
   sdk = SM.sdks[sdk_name]
 
   binary = SM.HL2Config(project, projectName + '.ext.' + sdk.ext, sdk)
+  binary.compiler.cxxincludes += [
+    os.path.join(SM.sm_root, 'public', 'extensions'),
+    os.path.join(SM.sm_root, 'public', 'sourcepawn'),
+    os.path.join(SM.sm_root, 'public', 'amtl')
+  ]
 
 SM.extensions += builder.Add(project)