merge url implementation to single file (#757)

Author: anonrig

src/ada.cpp

@@ -5,9 +5,7 @@
 #include "implementation.cpp"
 #include "helpers.cpp"
 #include "url.cpp"
-#include "url-getters.cpp"
-#include "url-setters.cpp"
 #include "parser.cpp"
 #include "url_components.cpp"
 #include "url_aggregator.cpp"
-#include "ada_c.cpp"
+#include "ada_c.cpp"