Fixed WiFi Access Point Password Bug

Updated Network::getFormData() to properly read special characters (!#$, etc.) input into Access Point web page as part of password of SSID.

src/Network.cpp

@@ -398,9 +398,15 @@ int Network::getFormValue(char *formData, const char *tag, char *value, int maxS
   int len=0;                        // track length of value
   
   while(*v!='\0' && *v!='&' && len<maxSize){      // copy the value until null, '&', or maxSize is reached
-    len++;
+    if(*v=='%'){                                  // this is an escaped character of form %XX
+      v++;
+      sscanf(v,"%2x",value++);
+      v+=2;
+    } else {
       *value++=*v++;
     }
+    len++;
+  }
 
   *value='\0';                      // add terminating null
   return(len);