diff --git a/CMakeLists.txt b/CMakeLists.txt
index 365a54ed..2c4ad3df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 project(PIP)
 set(PIP_MAJOR    3)
 set(PIP_MINOR    6)
-set(PIP_REVISION 0)
+set(PIP_REVISION 1)
 set(PIP_SUFFIX   )
 set(PIP_COMPANY  SHS)
 set(PIP_DOMAIN   org.SHS)
diff --git a/libs/main/core/pibinarystream.h b/libs/main/core/pibinarystream.h
index 94133e32..cf9e184a 100644
--- a/libs/main/core/pibinarystream.h
+++ b/libs/main/core/pibinarystream.h
@@ -82,7 +82,7 @@ public:
 	//!\~\details
 	//!\~russian Возвращает -1 если нет информации о размере
 	ssize_t binaryStreamSize() const {
-		return static_cast<P*>(this)->binaryStreamSizeImp();
+		return static_cast<const P*>(this)->binaryStreamSizeImp();
 	}
 
 	//! \~russian Записать данные
@@ -116,6 +116,15 @@ template<typename P, typename T> inline PIBinaryStream<P> & operator >>(PIBinary
 	return s.p;
 }
 
+template<typename P> inline PIBinaryStream<P> & operator <<(PIBinaryStreamTrivialRef<P> s, const PIMemoryBlock v) {
+	s.p << v;
+	return s.p;
+}
+template<typename P> inline PIBinaryStream<P> & operator >>(PIBinaryStreamTrivialRef<P> s,       PIMemoryBlock v) {
+	s.p >> v;
+	return s.p;
+}
+
 
 // specify types
 template<typename P> inline PIBinaryStream<P> & operator <<(PIBinaryStream<P> & s, const bool    v) {