Move everything around - delete old Haskell code, clean up build.

jv_unicode.h

@@ -0,0 +1,11 @@
+#ifndef JV_UNICODE_H
+#define JV_UNICODE_H
+
+const char* jvp_utf8_next(const char* in, const char* end, int* codepoint);
+
+
+int jvp_utf8_decode_length(char startchar);
+
+int jvp_utf8_encode_length(int codepoint);
+int jvp_utf8_encode(int codepoint, char* out);
+#endif