fix the problem http request with '\0' and fixx query string in url

Fork of mbed-http by sandbox

Revision:
9:1289162d9530
Parent:
8:6156404278bb
--- a/source/http_response.h	Thu Mar 02 11:50:38 2017 +0100
+++ b/source/http_response.h	Thu Mar 02 13:14:36 2017 +0100
@@ -172,7 +172,6 @@
 
     char tolower(char c) {
         if(('A' <= c) && (c <= 'Z')) {
-            printf("toLower %c %c\n", c, 'a' + (c - 'A'));
             return 'a' + (c - 'A');
         }