<Makefile: Fix string quote in all>

[bobsaintcool]

The ( & ) could be interpreted by the shell when running make

• Without this patch:
  $ make
  Available targets:
  clean - clean build directory
  test - run unittest
  epydoc - run epydoc to create API documentation
  wininst - Windows installer for Python
  docs - build docs with ReST and Sphinx
  /bin/sh: -c: line 0: syntax error near unexpected token (' /bin/sh: -c: line 0: echo wheel - build wheel binary archive (see pip & wheel)' make: *** [Makefile:10: all] Error 1

• With this patch:
  $ make
  Available targets:
  clean - clean build directory
  test - run unittest
  epydoc - run epydoc to create API documentation
  wininst - Windows installer for Python
  docs - build docs with ReST and Sphinx
  wheel - build wheel binary archive (see pip & wheel)

[bialix]

Sorry, it took quite a time to review your patch. Thank you for your patch, but unfortunately I reject it. It does not work on Windows and introduces extra single quote characters that Windows command shell does not understand either. So I prefer simply change "&" sign to English word "and".
Thank you anyway.

[bobsaintcool]

Hey,

Thats seems cool!
Sorry for the lake of test on other platforms!

B.