build: created separate bin folder for each target.

Changed build process to use an individual bin/<subfolder> for each target.
This way each target has its own data folder and its own set of dlls.

bin/test/data/test_header.h

@@ -0,0 +1,7 @@
+typedef unsigned int uint;
+
+class H
+{
+private:
+	int width;
+};