diff --git a/.travis.yml b/.travis.yml
index b37d3ee..0706c70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,6 @@ before_install:
 script:
  - mkdir build
  - cd build
- - cmake ..
+ - if [ -z ${QT4_BUILD+x} ]; then cmake -DBUILD_TESTS=TRUE -DQT4_BUILD=FALSE ..; else cmake -DBUILD_TESTS=TRUE -DQT4_BUILD=TRUE ..; fi
  - make
  - make test
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f09424..5791159 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,14 +80,14 @@ set(MSGPACK_QT_LIB_VERSION_STRING "${QMSGPACK_MAJOR}.${QMSGPACK_MINOR}.${QMSGPAC
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
 
 add_subdirectory(src)
-#if (MSGPACK_BUILD_TESTS)
+if (BUILD_TESTS)
 	enable_testing()
 	add_subdirectory(tests)
-#endif ()
+endif ()
 
 install(EXPORT qmsgpack-export DESTINATION ${CMAKECONFIG_INSTALL_DIR} FILE MsgPackQtTargets.cmake)
 
 file(RELATIVE_PATH relInstallDir ${CMAKE_INSTALL_PREFIX}/$CMAKECONFIG_INSTALL_DIR} ${CMAKE_INSTALL_PREFIX})
 
 add_custom_target(uninstall
-  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
\ No newline at end of file
+  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3d656d3..6c76121 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
-set(qmsgpack_srcs msgpack.cpp msgpack_common.cpp stream.cpp private/pack_p.cpp private/unpack_p.cpp private/qt_types_p.cpp)
-set(qmsgpack_headers msgpack.h stream.h msgpack_common.h msgpack_export.h endianhelper.h)
+set(qmsgpack_srcs msgpack.cpp msgpack_common.cpp msgpackstream.cpp private/pack_p.cpp private/unpack_p.cpp private/qt_types_p.cpp)
+set(qmsgpack_headers msgpack.h msgpackstream.h msgpack_common.h msgpack_export.h endianhelper.h)
 
 add_library(qmsgpack SHARED ${qmsgpack_srcs} ${qmsgpack_headers})
 
@@ -31,4 +31,4 @@ install(TARGETS qmsgpack EXPORT qmsgpack-export
 	LIBRARY DESTINATION ${LIB_INSTALL_DIR}
 	RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin
 	ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
-	PUBLIC_HEADER DESTINATION ${INCLUDE_INSTALL_DIR}/qmsgpack)
\ No newline at end of file
+	PUBLIC_HEADER DESTINATION ${INCLUDE_INSTALL_DIR}/qmsgpack)
diff --git a/src/CMakeLists.txt~ b/src/CMakeLists.txt~
new file mode 100644
index 0000000..3d656d3
--- /dev/null
+++ b/src/CMakeLists.txt~
@@ -0,0 +1,34 @@
+set(qmsgpack_srcs msgpack.cpp msgpack_common.cpp stream.cpp private/pack_p.cpp private/unpack_p.cpp private/qt_types_p.cpp)
+set(qmsgpack_headers msgpack.h stream.h msgpack_common.h msgpack_export.h endianhelper.h)
+
+add_library(qmsgpack SHARED ${qmsgpack_srcs} ${qmsgpack_headers})
+
+if (Qt5Core_FOUND)
+	target_link_libraries(qmsgpack Qt5::Core)
+else ()
+	target_link_libraries(qmsgpack ${QT_LIBRARIES})
+endif ()
+
+if (Qt5Gui_FOUND)
+	target_link_libraries(qmsgpack Qt5::Gui)
+endif ()
+
+configure_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/msgpack_common.h.in"
+  "${CMAKE_CURRENT_SOURCE_DIR}/msgpack_common.h"
+  IMMEDIATE @ONLY)
+
+if (NOT android)
+	set_target_properties(qmsgpack PROPERTIES
+									VERSION ${QMSGPACK_MAJOR}.${QMSGPACK_MINOR}.${QMSGPACK_VERSION}
+									SOVERSION ${QMSGPACK_MAJOR})
+endif ()
+set_target_properties(qmsgpack PROPERTIES
+								DEFINE_SYMBOL	MSGPACK_MAKE_LIB
+								PUBLIC_HEADER	"${qmsgpack_headers}")
+
+install(TARGETS qmsgpack EXPORT qmsgpack-export
+	LIBRARY DESTINATION ${LIB_INSTALL_DIR}
+	RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin
+	ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
+	PUBLIC_HEADER DESTINATION ${INCLUDE_INSTALL_DIR}/qmsgpack)
\ No newline at end of file
diff --git a/src/msgpack_common.h b/src/msgpack_common.h
index 9f399b2..68a6479 100644
--- a/src/msgpack_common.h
+++ b/src/msgpack_common.h
@@ -36,8 +36,8 @@ const quint8 FIXARRAY   = 0x90;
 const quint8 FIXSTR     = 0xa0;
 const quint8 NIL        = 0xc0;
 const quint8 NEVER_USED = 0xc1;
-const quint8 FALSE      = 0xc2;
-const quint8 TRUE       = 0xc3;
+const quint8 MFALSE      = 0xc2;
+const quint8 MTRUE       = 0xc3;
 const quint8 BIN8       = 0xc4;
 const quint8 BIN16      = 0xc5;
 const quint8 BIN32      = 0xc6;
diff --git a/src/msgpack_common.h.in b/src/msgpack_common.h.in
index d39965a..aaf6d82 100644
--- a/src/msgpack_common.h.in
+++ b/src/msgpack_common.h.in
@@ -36,8 +36,8 @@ const quint8 FIXARRAY   = 0x90;
 const quint8 FIXSTR     = 0xa0;
 const quint8 NIL        = 0xc0;
 const quint8 NEVER_USED = 0xc1;
-const quint8 FALSE      = 0xc2;
-const quint8 TRUE       = 0xc3;
+const quint8 MFALSE      = 0xc2;
+const quint8 MTRUE       = 0xc3;
 const quint8 BIN8       = 0xc4;
 const quint8 BIN16      = 0xc5;
 const quint8 BIN32      = 0xc6;
diff --git a/src/stream.cpp b/src/msgpackstream.cpp
similarity index 93%
rename from src/stream.cpp
rename to src/msgpackstream.cpp
index 932498f..cd71cff 100644
--- a/src/stream.cpp
+++ b/src/msgpackstream.cpp
@@ -1,6 +1,6 @@
-#include "stream.h"
-#include <QBuffer>
+#include "msgpackstream.h"
 #include "private/pack_p.h"
+#include <QBuffer>
 #include <QDebug>
 
 #undef  CHECK_STREAM_PRECOND
@@ -27,7 +27,7 @@ MsgPackStream::MsgPackStream() :
 { }
 
 MsgPackStream::MsgPackStream(QIODevice *d) :
-    dev(d), owndev(false)
+    dev(d), owndev(false), q_status(Ok)
 { }
 
 MsgPackStream::MsgPackStream(QByteArray *a, QIODevice::OpenMode mode) :
@@ -89,10 +89,10 @@ MsgPackStream &MsgPackStream::operator>>(bool &b)
         b = false;
         setStatus(ReadPastEnd);
     } else {
-        if (p[0] != MsgPack::FirstByte::TRUE ||
-            p[0] != MsgPack::FirstByte::FALSE)
+        if (p[0] != MsgPack::FirstByte::MTRUE ||
+            p[0] != MsgPack::FirstByte::MFALSE)
             setStatus(ReadCorruptData);
-        b = (p[0] == MsgPack::FirstByte::TRUE);
+        b = (p[0] == MsgPack::FirstByte::MTRUE);
     }
     return *this;
 }
@@ -273,6 +273,7 @@ MsgPackStream &MsgPackStream::operator>>(QString &str)
     }
     str = QString::fromUtf8((const char*) data, len);
     delete[] data;
+    return *this;
 }
 
 MsgPackStream &MsgPackStream::operator>>(QByteArray &array)
@@ -318,11 +319,23 @@ bool MsgPackStream::readBytes(char *data, uint len)
     return dev->read(data, len) == len;
 }
 
+bool MsgPackStream::readNil()
+{
+    CHECK_STREAM_PRECOND(false);
+    quint8 b;
+    if (dev->read((char *)&b, 1) != 1 ||
+        b != MsgPack::FirstByte::NIL) {
+        setStatus(ReadCorruptData);
+        return false;
+    }
+    return true;
+}
+
 MsgPackStream &MsgPackStream::operator<<(bool b)
 {
     CHECK_STREAM_WRITE_PRECOND(*this);
     quint8 m = b == true ?
-                MsgPack::FirstByte::TRUE : MsgPack::FirstByte::FALSE;
+                MsgPack::FirstByte::MTRUE : MsgPack::FirstByte::MFALSE;
     if (dev->write((char *)&m, 1) != 1)
         setStatus(WriteFailed);
     return *this;
@@ -433,8 +446,21 @@ MsgPackStream &MsgPackStream::operator<<(QByteArray array)
 bool MsgPackStream::writeBytes(const char *data, uint len)
 {
     CHECK_STREAM_WRITE_PRECOND(false);
-    if (dev->write(data, len) != len)
+    if (dev->write(data, len) != len) {
         setStatus(WriteFailed);
+        return false;
+    }
+    return true;
+}
+
+bool MsgPackStream::writeNil()
+{
+    CHECK_STREAM_WRITE_PRECOND(false);
+    quint8 b = MsgPack::FirstByte::NIL;
+    if (dev->write((char *)&b, 1) != 1) {
+        setStatus(WriteFailed);
+        return false;
+    }
     return true;
 }
 
diff --git a/src/stream.h b/src/msgpackstream.h
similarity index 51%
rename from src/stream.h
rename to src/msgpackstream.h
index 38a19b9..50ccb68 100644
--- a/src/stream.h
+++ b/src/msgpackstream.h
@@ -37,6 +37,7 @@ public:
     MsgPackStream &operator>>(QString &str);
     MsgPackStream &operator>>(QByteArray &array);
     bool readBytes(char *data, uint len);
+    bool readNil();
 
     MsgPackStream &operator<<(bool b);
     MsgPackStream &operator<<(quint32 u32);
@@ -49,6 +50,7 @@ public:
     MsgPackStream &operator<<(const char *str);
     MsgPackStream &operator<<(QByteArray array);
     bool writeBytes(const char *data, uint len);
+    bool writeNil();
 
 private:
     QIODevice *dev;
@@ -76,10 +78,12 @@ MsgPackStream& operator<<(MsgPackStream& s, const QList<T> &list)
         _msgpack_store32(p + 1, len);
         s.writeBytes((const char *)p, 5);
     }
+
     if (s.status() != MsgPackStream::Ok)
         return s;
     for (int i = 0; i < list.size(); ++i)
         s << list[i];
+
     return s;
 }
 
@@ -87,6 +91,7 @@ template <typename T>
 MsgPackStream& operator>>(MsgPackStream& s, QList<T> &list)
 {
     list.clear();
+
     quint8 p[5];
     quint32 len;
     s.readBytes((char *)p, 1);
@@ -99,6 +104,7 @@ MsgPackStream& operator>>(MsgPackStream& s, QList<T> &list)
         s.readBytes((char *)p + 1, 4);
         len = _msgpack_load32(quint32, p + 1);
     }
+
     for (quint32 i = 0; i < len; ++i) {
         T t;
         s >> t;
@@ -106,6 +112,133 @@ MsgPackStream& operator>>(MsgPackStream& s, QList<T> &list)
         if (s.atEnd())
             break;
     }
+
+    return s;
+}
+
+template <class Key, class T>
+MsgPackStream& operator<<(MsgPackStream &s, const QHash<Key, T> &hash)
+{
+    quint32 len = 0;
+    QHashIterator<Key, T> it(hash);
+    while (it.hasNext()) {
+        it.next();
+        len++;
+    }
+   
+    quint8 p[5];
+    if (len <= 15) {
+        p[0] = MsgPack::FirstByte::FIXMAP | len;
+        s.writeBytes((const char *)p, 1);
+    } else if (len <= std::numeric_limits<quint16>::max()) {
+        p[0] = MsgPack::FirstByte::MAP16;
+        _msgpack_store16(p + 1, len);
+        s.writeBytes((const char *)p, 3);
+    } else {
+        p[0] = MsgPack::FirstByte::MAP32;
+        _msgpack_store32(p + 1, len);
+        s.writeBytes((const char *)p, 5);
+    }
+
+    it.toFront();
+    while (it.hasNext()) {
+        it.next();
+        s << it.key() << it.value();
+    }
+
+    return s;
+}
+
+template <class Key, class T>
+MsgPackStream& operator>>(MsgPackStream& s, QHash<Key, T> &hash)
+{
+    hash.clear();
+
+    quint8 p[5];
+    quint32 len;
+    s.readBytes((char *)p, 1);
+    if (p[0] >= 0x80 && p[0] <= 0x8f) {
+        len = p[0] & 0xf;
+    } else if (p[0] == MsgPack::FirstByte::MAP16) {
+        s.readBytes((char *)p + 1, 2);
+        len = _msgpack_load16(quint16, p + 1);
+    } else if (p[0] == MsgPack::FirstByte::MAP32) {
+        s.readBytes((char *)p + 1, 4);
+        len = _msgpack_load32(quint32, p + 1);
+    }
+
+    for (quint32 i = 0; i < len; ++i) {
+        Key key;
+        T t;
+        s >> key >> t;
+        hash.insert(key, t);
+        if (s.atEnd())
+            break;
+    }
+
+    return s;
+}
+
+template <class Key, class T>
+MsgPackStream& operator<<(MsgPackStream &s, const QMap<Key, T> &map)
+{
+    quint32 len = 0;
+    QMapIterator<Key, T> it(map);
+    while (it.hasNext()) {
+        it.next();
+        len++;
+    }
+   
+    quint8 p[5];
+    if (len <= 15) {
+        p[0] = MsgPack::FirstByte::FIXMAP | len;
+        s.writeBytes((const char *)p, 1);
+    } else if (len <= std::numeric_limits<quint16>::max()) {
+        p[0] = MsgPack::FirstByte::MAP16;
+        _msgpack_store16(p + 1, len);
+        s.writeBytes((const char *)p, 3);
+    } else {
+        p[0] = MsgPack::FirstByte::MAP32;
+        _msgpack_store32(p + 1, len);
+        s.writeBytes((const char *)p, 5);
+    }
+
+    it.toFront();
+    while (it.hasNext()) {
+        it.next();
+        s << it.key() << it.value();
+    }
+
+    return s;
+}
+
+template <class Key, class T>
+MsgPackStream& operator>>(MsgPackStream& s, QMap<Key, T> &map)
+{
+    map.clear();
+
+    quint8 p[5];
+    quint32 len;
+    s.readBytes((char *)p, 1);
+    if (p[0] >= 0x80 && p[0] <= 0x8f) {
+        len = p[0] & 0xf;
+    } else if (p[0] == MsgPack::FirstByte::MAP16) {
+        s.readBytes((char *)p + 1, 2);
+        len = _msgpack_load16(quint16, p + 1);
+    } else if (p[0] == MsgPack::FirstByte::MAP32) {
+        s.readBytes((char *)p + 1, 4);
+        len = _msgpack_load32(quint32, p + 1);
+    }
+
+    for (quint32 i = 0; i < len; ++i) {
+        Key key;
+        T t;
+        s >> key >> t;
+        map.insert(key, t);
+        if (s.atEnd())
+            break;
+    }
+
     return s;
 }
 
diff --git a/src/private/qt_types_p.cpp b/src/private/qt_types_p.cpp
index 1f1a068..9ab73fe 100644
--- a/src/private/qt_types_p.cpp
+++ b/src/private/qt_types_p.cpp
@@ -1,9 +1,8 @@
 #include "qt_types_p.h"
 #include "pack_p.h"
 #include "unpack_p.h"
-#include "stream.h"
-#include "../endianhelper.h"
-
+#include "msgpackstream.h"
+#include "endianhelper.h"
 #include <QDebug>
 
 #ifdef QT_GUI_LIB
@@ -182,7 +181,6 @@ QVariant MsgPackPrivate::unpack_qpoint(const QByteArray &data)
     MsgPackStream stream(data);
     qint32 x, y;
     stream >> x >> y;
-    qDebug() << "unpack qpoint stream" << (stream.status() == MsgPackStream::Ok);
     return QPoint(x, y);
 }
 
diff --git a/tests/pack/pack_test.cpp b/tests/pack/pack_test.cpp
index 2bd6aea..235dc63 100644
--- a/tests/pack/pack_test.cpp
+++ b/tests/pack/pack_test.cpp
@@ -216,7 +216,7 @@ void PackTest::test_float()
 
 void PackTest::test_str()
 {
-    QString str = QStringLiteral("msgpack rocks");
+    QString str = QString("msgpack rocks");
     QByteArray arr = MsgPack::pack(str);
     QVERIFY(arr.size() == 14);
     quint8 *p = (quint8 *)arr.data();
diff --git a/tests/stream/stream_test.cpp b/tests/stream/stream_test.cpp
index eccf804..61eac91 100644
--- a/tests/stream/stream_test.cpp
+++ b/tests/stream/stream_test.cpp
@@ -1,7 +1,6 @@
 #include <QString>
 #include <QtTest>
-#include <QDebug>
-#include <stream.h>
+#include <msgpackstream.h>
 #include <msgpack.h>
 #include <limits>
 
@@ -18,6 +17,7 @@ private Q_SLOTS:
     void test_double();
     void test_bin();
     void test_array();
+    void test_map();
 };
 
 void StreamTest::test_unpack_integers()
@@ -142,7 +142,7 @@ void StreamTest::test_pack_integers()
 
 void StreamTest::test_unpack_string()
 {
-    QString str = QStringLiteral("msgpack rocks");
+    QString str = QString("msgpack rocks");
     QByteArray packed = MsgPack::pack(str);
     QString str2;
 
@@ -367,5 +367,47 @@ void StreamTest::test_array()
 }
 }
 
+void StreamTest::test_map()
+{
+    QMap<QString, int> map, map2;
+    QByteArray ba;
+
+    map.insert("m0", 0);
+    {
+        MsgPackStream stream(&ba, QIODevice::WriteOnly);
+        stream << map;
+        MsgPackStream stream2(ba);
+        stream2 >> map2;
+    }
+    QVERIFY(ba.length() == 5);
+    quint8 *p = (quint8 *)ba.data();
+    QVERIFY(p[0] == 0x80 | 1);
+    QVERIFY(map == map2);
+
+    for (int i = 1; i < 16; ++i)
+        map.insert(QString("m%1").QString::arg(i), i);
+    {
+        MsgPackStream stream(&ba, QIODevice::WriteOnly);
+        stream << map;
+        MsgPackStream stream2(ba);
+        stream2 >> map2;
+    }
+    p = (quint8 *)ba.data();
+    QVERIFY(p[0] == 0xde);
+    QVERIFY(map == map2);
+
+    for (int i = 16; i < 65536; ++i)
+        map.insert(QString("m%1").QString::arg(i), i);
+    {
+        MsgPackStream stream(&ba, QIODevice::WriteOnly);
+        stream << map;
+        MsgPackStream stream2(ba);
+        stream2 >> map2;
+    }
+    p = (quint8 *)ba.data();
+    QVERIFY(p[0] == 0xdf);
+    QVERIFY(map == map2);
+}
+
 QTEST_APPLESS_MAIN(StreamTest)
 #include "stream_test.moc"