[ADD/WIP] Add some HTTP request code

We can now *register* users!

src/include/AS.h

@@ -0,0 +1,18 @@
+#ifndef PARSEE_AS_H
+#define PARSEE_AS_H
+
+#include <Cytoplasm/HttpClient.h>
+#include <Cytoplasm/Json.h>
+
+#include <Parsee.h>
+#include <Routes.h>
+
+/* Verifies a request from the homeserver to match the 
+ * hs_token. */
+extern HashMap * ASVerifyRequest(ParseeHttpArg *);
+
+/* Authenticates a request with the correct as_token.
+ * It does not send the request, however. */
+extern void ASAuthenticateRequest(ParseeConfig *, HttpClientContext *);
+
+#endif