alib2str: fix parsing set/vector

alib2str/src/container/string/ObjectsSet.h

@@ -28,6 +28,8 @@ ext::set < ValueType > stringApi < ext::set < ValueType > >::parse ( std::istrea
 	if(token.type != container::ContainerFromStringLexer::TokenType::SET_BEGIN)
 		throw exception::CommonException("Expected SET_BEGIN token.");
+	token = container::ContainerFromStringLexer::next ( input );
+
 	ext::set<ValueType> objectsSet;
 	if(token.type != container::ContainerFromStringLexer::TokenType::SET_END) while(true) {
 		container::ContainerFromStringLexer::putback(input, std::move(token));

alib2str/src/container/string/ObjectsVector.h

@@ -28,6 +28,8 @@ ext::vector < ValueType > stringApi < ext::vector < ValueType > >::parse ( std::
 	if(token.type != container::ContainerFromStringLexer::TokenType::VECTOR_BEGIN)
 		throw exception::CommonException("Expected VECTOR_BEGIN token.");
+	token = container::ContainerFromStringLexer::next ( input );
+
 	ext::vector<ValueType> objectsVector;
 	if(token.type != container::ContainerFromStringLexer::TokenType::VECTOR_END) while(true) {
 		container::ContainerFromStringLexer::putback(input, std::move(token));