aqhome-storage now checks and parses mqtt messages and stores values in datafiles.

aqhome/http/httprequest.c

@@ -657,7 +657,9 @@ int _unescapeUrlEncoded(const char *src, unsigned int srclen, char *buffer, unsi
       x=='.' ||
       x=='*' ||
       x=='?' ||
-      x=='+'
+      x=='+' ||
+      x=='-' ||
+      x=='_'
     ) {
       if (size<(maxsize-1)) {
 	buffer[size++]=(x=='+')?' ':x;