make MPD::Connection::Version() return integer instead of float

full version is always 0.xx.0, where xx is current
version of protocol, so why bother with zeros...

src/mpdpp.cpp

@@ -102,12 +102,9 @@ void MPD::Connection::Disconnect()
 	itsMaxPlaylistLength = -1;
 }
 
-float MPD::Connection::Version() const
+unsigned MPD::Connection::Version() const
 {
-	if (!itsConnection)
-		return 0;
-	const unsigned *version = mpd_connection_get_server_version(itsConnection);
-	return version[1] + version[2]*0.1;
+	return itsConnection ? mpd_connection_get_server_version(itsConnection)[1] : 0;
 }
 
 void MPD::Connection::SetHostname(const std::string &host)

src/mpdpp.h

@@ -92,7 +92,7 @@ namespace MPD
 			const std::string & GetHostname() { return itsHost; }
 			int GetPort() { return itsPort; }
 			
-			float Version() const;
+			unsigned Version() const;
 			
 			void SetIdleEnabled(bool val) { isIdleEnabled = val; }
 			bool SupportsIdle() const { return supportsIdle; }