Fixed support for non-HTTP-compliant devices pulling HTTP TS output

lib/http_parser.cpp

@@ -334,6 +334,10 @@ void HTTP::Parser::SetHeader(std::string i, std::string v) {
   headers[i] = v;
 }
 
+void HTTP::Parser::clearHeader(const std::string & i){
+  headers.erase(i);
+}
+
 /// Sets header i to integer value v.
 void HTTP::Parser::SetHeader(std::string i, long long v) {
   Trim(i);

lib/http_parser.h

@@ -17,6 +17,7 @@ namespace HTTP {
       bool Read(Socket::Connection & conn);
       bool Read(std::string & strbuf);
       std::string GetHeader(std::string i);
+      void clearHeader(const std::string & i);
       std::string GetVar(std::string i);
       std::string getUrl();
       std::string allVars();