diff --git a/qrangeslider.py b/qrangeslider.py
deleted file mode 100644
index ef14576..0000000
--- a/qrangeslider.py
+++ /dev/null
@@ -1,311 +0,0 @@
-import sys, os
-from PyQt5 import QtCore, QtGui, QtWidgets
-
-__all__ = ['QRangeSlider']
-
-DEFAULT_CSS = """
-QRangeSlider * {
-    border: 0px;
-    padding: 0px;
-}
-QRangeSlider #Head {
-    background: #222;
-}
-QRangeSlider #Span {
-    background: #393;
-}
-QRangeSlider #Span:active {
-    background: #282;
-}
-QRangeSlider #Tail {
-    background: #222;
-}
-QRangeSlider > QSplitter::handle {
-    background: #393;
-}
-QRangeSlider > QSplitter::handle:vertical {
-    height: 4px;
-}
-QRangeSlider > QSplitter::handle:pressed {
-    background: #ca5;
-}
-"""
-
-def scale(val, src, dst):
-    return int(((val - src[0]) / float(src[1]-src[0])) * (dst[1]-dst[0]) + dst[0])
-
-
-class Ui_Form(object):
-    def setupUi(self, Form):
-        Form.setObjectName("QRangeSlider")
-        Form.resize(300, 30)
-        Form.setStyleSheet(DEFAULT_CSS)
-        self.gridLayout = QtWidgets.QGridLayout(Form)
-        self.gridLayout.setContentsMargins(0, 0, 0, 0)
-        self.gridLayout.setSpacing(0)
-        self.gridLayout.setObjectName("gridLayout")
-        self._splitter = QtWidgets.QSplitter(Form)
-        self._splitter.setMinimumSize(QtCore.QSize(0, 0))
-        self._splitter.setMaximumSize(QtCore.QSize(16777215, 16777215))
-        self._splitter.setOrientation(QtCore.Qt.Horizontal)
-        self._splitter.setObjectName("splitter")
-        self._head = QtWidgets.QGroupBox(self._splitter)
-        self._head.setTitle("")
-        self._head.setObjectName("Head")
-        self._handle = QtWidgets.QGroupBox(self._splitter)
-        self._handle.setTitle("")
-        self._handle.setObjectName("Span")
-        self._tail = QtWidgets.QGroupBox(self._splitter)
-        self._tail.setTitle("")
-        self._tail.setObjectName("Tail")
-        self.gridLayout.addWidget(self._splitter, 0, 0, 1, 1)
-        self.retranslateUi(Form)
-        QtCore.QMetaObject.connectSlotsByName(Form)
-
-    def retranslateUi(self, Form):
-        _translate = QtCore.QCoreApplication.translate
-        Form.setWindowTitle(_translate("QRangeSlider", "QRangeSlider"))
-
-
-class Element(QtWidgets.QGroupBox):
-    def __init__(self, parent, main):
-        super(Element, self).__init__(parent)
-        self.main = main
-
-    def setStyleSheet(self, style):
-        self.parent().setStyleSheet(style)
-
-    def textColor(self):
-        return getattr(self, '__textColor', QtGui.QColor(125, 125, 125))
-
-    def setTextColor(self, color):
-        if type(color) == tuple and len(color) == 3:
-            color = QtGui.QColor(color[0], color[1], color[2])
-        elif type(color) == int:
-            color = QtGui.QColor(color, color, color)
-        setattr(self, '__textColor', color)
-
-    def paintEvent(self, event):
-        qp = QtGui.QPainter()
-        qp.begin(self)
-        if self.main.drawValues():
-            self.drawText(event, qp)
-        qp.end()
-
-
-class Head(Element):
-    def __init__(self, parent, main):
-        super(Head, self).__init__(parent, main)
-
-    def drawText(self, event, qp):
-        qp.setPen(self.textColor())
-        qp.setFont(QtGui.QFont('Arial', 10))
-        qp.drawText(event.rect(), QtCore.Qt.AlignLeft, str(self.main.min()))
-
-
-class Tail(Element):
-    def __init__(self, parent, main):
-        super(Tail, self).__init__(parent, main)
-
-    def drawText(self, event, qp):
-        qp.setPen(self.textColor())
-        qp.setFont(QtGui.QFont('Arial', 10))
-        qp.drawText(event.rect(), QtCore.Qt.AlignRight, str(self.main.max()))
-
-
-class Handle(Element):
-    def __init__(self, parent, main):
-        super(Handle, self).__init__(parent, main)
-
-    def drawText(self, event, qp):
-        qp.setPen(self.textColor())
-        qp.setFont(QtGui.QFont('Arial', 10))
-        qp.drawText(event.rect(), QtCore.Qt.AlignLeft, str(self.main.start()))
-        qp.drawText(event.rect(), QtCore.Qt.AlignRight, str(self.main.end()))
-
-    def mouseMoveEvent(self, event):
-        event.accept()
-        mx = event.globalX()
-        _mx = getattr(self, '__mx', None)
-        if not _mx:
-            setattr(self, '__mx', mx)
-            dx = 0
-        else:
-            dx = mx - _mx
-        setattr(self, '__mx', mx)
-        if dx == 0:
-            event.ignore()
-            return
-        elif dx > 0:
-            dx = 1
-        elif dx < 0:
-            dx = -1
-        s = self.main.start() + dx
-        e = self.main.end() + dx
-        if s >= self.main.min() and e <= self.main.max():
-            self.main.setRange(s, e)
-
-
-class QRangeSlider(QtWidgets.QWidget, Ui_Form):
-    endValueChanged = QtCore.pyqtSignal(int)
-    maxValueChanged = QtCore.pyqtSignal(int)
-    minValueChanged = QtCore.pyqtSignal(int)
-    startValueChanged = QtCore.pyqtSignal(int)
-    minValueChanged = QtCore.pyqtSignal(int)
-    maxValueChanged = QtCore.pyqtSignal(int)
-    startValueChanged = QtCore.pyqtSignal(int)
-    endValueChanged = QtCore.pyqtSignal(int)
-
-    _SPLIT_START = 1
-    _SPLIT_END = 2
-
-    def __init__(self, parent=None):
-        super(QRangeSlider, self).__init__(parent)
-        self.setupUi(self)
-        self.setMouseTracking(False)
-        self._splitter.splitterMoved.connect(self._handleMoveSplitter)
-        self._head_layout = QtWidgets.QHBoxLayout()
-        self._head_layout.setSpacing(0)
-        self._head_layout.setContentsMargins(0, 0, 0, 0)
-        self._head.setLayout(self._head_layout)
-        self.head = Head(self._head, main=self)
-        self._head_layout.addWidget(self.head)
-        self._handle_layout = QtWidgets.QHBoxLayout()
-        self._handle_layout.setSpacing(0)
-        self._handle_layout.setContentsMargins(0, 0, 0, 0)
-        self._handle.setLayout(self._handle_layout)
-        self.handle = Handle(self._handle, main=self)
-        self.handle.setTextColor((150, 255, 150))
-        self._handle_layout.addWidget(self.handle)
-        self._tail_layout = QtWidgets.QHBoxLayout()
-        self._tail_layout.setSpacing(0)
-        self._tail_layout.setContentsMargins(0, 0, 0, 0)
-        self._tail.setLayout(self._tail_layout)
-        self.tail = Tail(self._tail, main=self)
-        self._tail_layout.addWidget(self.tail)
-        self.setMin(0)
-        self.setMax(99)
-        self.setStart(0)
-        self.setEnd(99)
-        self.setDrawValues(True)
-
-    def min(self):
-        return getattr(self, '__min', None)
-
-    def max(self):
-        return getattr(self, '__max', None)
-
-    def setMin(self, value):
-        setattr(self, '__min', value)
-        self.minValueChanged.emit(value)
-
-    def setMax(self, value):
-        setattr(self, '__max', value)
-        self.maxValueChanged.emit(value)
-
-    def start(self):
-        return getattr(self, '__start', None)
-
-    def end(self):
-        return getattr(self, '__end', None)
-
-    def _setStart(self, value):
-        setattr(self, '__start', value)
-        self.startValueChanged.emit(value)
-
-    def setStart(self, value):
-        v = self._valueToPos(value)
-        self._splitter.splitterMoved.disconnect()
-        self._splitter.moveSplitter(v, self._SPLIT_START)
-        self._splitter.splitterMoved.connect(self._handleMoveSplitter)
-        self._setStart(value)
-
-    def _setEnd(self, value):
-        setattr(self, '__end', value)
-        self.endValueChanged.emit(value)
-
-    def setEnd(self, value):
-        v = self._valueToPos(value)
-        self._splitter.splitterMoved.disconnect()
-        self._splitter.moveSplitter(v, self._SPLIT_END)
-        self._splitter.splitterMoved.connect(self._handleMoveSplitter)
-        self._setEnd(value)
-
-    def drawValues(self):
-        return getattr(self, '__drawValues', None)
-
-    def setDrawValues(self, draw):
-        setattr(self, '__drawValues', draw)
-
-    def getRange(self):
-        return (self.start(), self.end())
-
-    def setRange(self, start, end):
-        self.setStart(start)
-        self.setEnd(end)
-
-    def keyPressEvent(self, event):
-        key = event.key()
-        if key == QtCore.Qt.Key_Left:
-            s = self.start()-1
-            e = self.end()-1
-        elif key == QtCore.Qt.Key_Right:
-            s = self.start()+1
-            e = self.end()+1
-        else:
-            event.ignore()
-            return
-        event.accept()
-        if s >= self.min() and e <= self.max():
-            self.setRange(s, e)
-
-    def setBackgroundStyle(self, style):
-        self._tail.setStyleSheet(style)
-        self._head.setStyleSheet(style)
-
-    def setSpanStyle(self, style):
-        self._handle.setStyleSheet(style)
-
-    def _valueToPos(self, value):
-        return scale(value, (self.min(), self.max()), (0, self.width()))
-
-    def _posToValue(self, xpos):
-        return scale(xpos, (0, self.width()), (self.min(), self.max()))
-
-    def _handleMoveSplitter(self, xpos, index):
-        hw = self._splitter.handleWidth()
-        def _lockWidth(widget):
-            width = widget.size().width()
-            widget.setMinimumWidth(width)
-            widget.setMaximumWidth(width)
-        def _unlockWidth(widget):
-            widget.setMinimumWidth(0)
-            widget.setMaximumWidth(16777215)
-        v = self._posToValue(xpos)
-        if index == self._SPLIT_START:
-            _lockWidth(self._tail)
-            if v >= self.end():
-                return
-            offset = -20
-            w = xpos + offset
-            self._setStart(v)
-        elif index == self._SPLIT_END:
-            _lockWidth(self._head)
-            if v <= self.start():
-                return
-            offset = -40
-            w = self.width() - xpos + offset
-            self._setEnd(v)
-        _unlockWidth(self._tail)
-        _unlockWidth(self._head)
-        _unlockWidth(self._handle)
-
-if __name__ == '__main__':
-
-    app = QtWidgets.QApplication(sys.argv)
-    rs = QRangeSlider()
-    rs.show()
-    rs.setRange(15, 35)
-    rs.setBackgroundStyle('background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #222, stop:1 #333);')
-    rs.handle.setStyleSheet('background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #282, stop:1 #393);')
-    app.exec_()