Updating windows installation script

install_windows.bat

@@ -1,11 +0,0 @@
-setx path "%path%;C:\Python27;C:\Python27\Scripts;"
-
-setx pathext "%pathext%;.py"
-
-cscript /nologo windows/wget.js https://raw.github.com/pypa/pip/master/contrib/get-pip.py > get-pip.py
-
-C:\Python27\Python.exe get-pip.py
-
-C:\Python27\Scripts\pip install -r Requirements.txt
-
-C:\Python27\Python.exe setup.py install

windows/install.bat

@@ -0,0 +1,9 @@
+setx path "%path%;C:\Python27;C:\Python27\Scripts;"
+
+setx pathext "%pathext%;.py"
+
+cscript /nologo wget.js https://raw.github.com/pypa/pip/master/contrib/get-pip.py > get-pip.py
+
+C:\Python27\Python.exe get-pip.py
+
+C:\Python27\Scripts\pip install patacrep