some warnings fixed

Makefile

@@ -10,7 +10,7 @@ server.app: server.o pgconnection.o configure.o pgnosqlserver.o
 	@echo "Linking Objects"
 	@echo "==============="
 	@echo ""
-	$(CC) --std=gnu++11 -o $@ $^ $(LDFLAGS)
+	$(CC) --std=gnu++11 -Wall -O3 -o $@ $^ $(LDFLAGS)
 	rm *.o
 
 server.o: connect/pgconnection.cpp config/configure.cpp cmd/pgnosqlcommand.cpp server/pgnosqlserver.cpp server/server.cpp
@@ -19,7 +19,7 @@ server.o: connect/pgconnection.cpp config/configure.cpp cmd/pgnosqlcommand.cpp s
 	@echo "Compiling Sources"
 	@echo "================="
 	@echo ""
-	$(CC) --std=gnu++11 -c $(CFLAGS) $^ 
+	$(CC) --std=gnu++11 -Wall -O3 -c $(CFLAGS) $^ 
 
 .PHONY: clean
 

cmd/pgnosqlcommand.cpp

@@ -89,7 +89,7 @@ bool Command::tokenize() {
 	return true;
 }
 
-bool Command::paramNumCheckOK(short min, short max) {
+bool Command::paramNumCheckOK(std::size_t min, std::size_t max) {
 	return ((tokenList.size() >= min) && (tokenList.size() <= max));
 }
 
@@ -235,7 +235,6 @@ std::string Command::modholder() {
 		throw CommandParameterError();
 	std::string ret;
 	std::string indexType;
-	bool firstLevelIndex = true;
 	boost::to_upper(tokenList[ MAXARGMODHOLDER - 3]);
 	tokenList[ MAXARGMODHOLDER - 4] = "jsstore_"
 			+ tokenList[ MAXARGMODHOLDER - 4];

cmd/pgnosqlcommand.h

@@ -19,7 +19,7 @@ class Command
 	void removeExtraSpaces(std::string &str);
 	void makeProperJsonQuotes(std::string &str);
 	bool tokenize();
-	bool paramNumCheckOK(short min, short max);
+	bool paramNumCheckOK(std::size_t min, std::size_t max);
 	bool isFirstLevelCondition(std::string expr);
 	std::string getPrefix(){ return prefix; }
 	std::string flushall();