Added Lexer class to QRedis namespace.

src/lexer.cpp

@@ -1,5 +1,7 @@
 #include "lexer.h"
 
+using namespace QRedis;
+
 Lexer::Lexer(QIODevice * device, QObject * parent)
     : QObject(parent), device(device), state(DoingNothing), crlf(0)
 {

src/lexer.h

@@ -1,9 +1,11 @@
-#ifndef LEXER_H
-#define LEXER_H
+#ifndef QREDIS_LEXER_H
+#define QREDIS_LEXER_H
 
 #include <QIODevice>
 #include <QObject>
 
+namespace QRedis
+{
     class Lexer : public QObject
     {
         Q_OBJECT
@@ -43,5 +45,6 @@ class Lexer : public QObject
             int crlf;
             int length;
     };
+}
 
-#endif // LEXER_H
+#endif // QREDIS_LEXER_H