title: Failed building wheel for spacy
body: <p>I'm trying to install spacy by running <code>pip install spacy</code> for python version <strong>3.6.1</strong> but continuously i'm getting errors like below,how to get rid of this issue? previously i was having cl.exe not found error, after that i added visual studio path in environment variables where cl.exe exists.</p>
  
  <pre><code>     Failed building wheel for spacy
    Running setup.py clean for spacy
    Running setup.py bdist_wheel for murmurhash ... error
    Complete output from command c:\users\sh00428701\appdata\local\programs\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\SH0042~1\\AppData\\Local\\Temp\\pip-build-joi6voav\\murmurhash\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d C:\Users\SH0042~1\AppData\Local\Temp\tmpa6tzdkovpip-wheel- --python-tag cp36:
    running bdist_wheel
    running build
    running build_py
  ----------------------------------------
    Failed building wheel for murmurhash
    Running setup.py clean for murmurhash
    Running setup.py bdist_wheel for cymem ... error
    Complete output from command c:\users\sh00428701\appdata\local\programs\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\SH0042~1\\AppData\\Local\\Temp\\pip-build-joi6voav\\cymem\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d C:\Users\SH0042~1\AppData\Local\Temp\tmpz7p6hkiwpip-wheel- --python-tag cp36:
  
   ----------------------------------------
    Failed building wheel for cymem
    Running setup.py clean for cymem
    Running setup.py bdist_wheel for preshed ... error
    Complete output from command c:\users\sh00428701\appdata\local\programs\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\SH0042~1\\AppData\\Local\\Temp\\pip-build-joi6voav\\preshed\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d C:\Users\SH0042~1\AppData\Local\Temp\tmpwppgmyp9pip-wheel- --python-tag cp36:
  
    ----------------------------------------
    Failed building wheel for preshed
    Running setup.py clean for preshed
    Running setup.py bdist_wheel for thinc ... error
   ----------------------------------------
    Failed building wheel for thinc
    Running setup.py clean for thinc
    Running setup.py bdist_wheel for ujson ... error
    ----------------------------------------
    Failed building wheel for ujson
    Running setup.py clean for ujson
    Running setup.py bdist_wheel for cytoolz ... error
    ----------------------------------------
    Failed building wheel for cytoolz
    Running setup.py clean for cytoolz
  Failed to build spacy murmurhash cymem preshed thinc ujson cytoolz
  Installing collected packages: murmurhash, cymem, preshed, wrapt, tqdm, toolz, cytoolz, plac, pyreadline, dill, termcolor, pathlib, thinc, ujson, regex, spacy
    Running setup.py install for murmurhash ... error
  
     C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Ic:\users\sh00428701\appdata\local\programs\python\python36\include -IC:\Users\SH0042~1\AppData\Local\Temp\pip-build-joi6voav\murmurhash\murmurhash\include -Ic:\users\sh00428701\appdata\local\programs\python\python36\include -Ic:\users\sh00428701\appdata\local\programs\python\python36\include /EHsc /Tpmurmurhash/mrmr.cpp /Fobuild\temp.win-amd64-3.6\Release\murmurhash/mrmr.obj /Ox /EHsc
      mrmr.cpp
      c1xx: fatal error C1083: Cannot open source file: 'murmurhash/mrmr.cpp': No such file or directory
      error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\cl.exe' failed with exit status 2
  
      ----------------------------------------
  Command "c:\users\sh00428701\appdata\local\programs\python\python36\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\SH0042~1\\AppData\\Local\\Temp\\pip-build-joi6voav\\murmurhash\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\SH0042~1\AppData\Local\Temp\pip-_j1cxej1-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\SH0042~1\AppData\Local\Temp\pip-build-joi6voav\murmurhash\
  </code></pre>