Fix incorrect prerequisites

Close #74

Author: dahlia

README.rst

@@ -63,8 +63,8 @@ It's available on PyPI_, so you can install it using ``pip`` (or
 .. note::
 
    libsass-python (and libsass) requires C++11 to compile.
-   It means you need install GCC (G++) 4.3+, LLVM Clang 2.9+,
-   or Visual Studio 2013+.
+   It means you need install GCC (G++) 4.6+, LLVM Clang 2.9+,
+   or Visual Studio 2013 Update 4+.
 
 .. _PyPI: https://pypi.python.org/pypi/libsass
 

docs/changes.rst

@@ -109,8 +109,8 @@ Version 0.6.2
 Released on November 25, 2014.
 
 Although 0.6.0--0.6.1 have needed GCC (G++) 4.8+, LLVM Clang 3.3+,
-now it became back to only need GCC (G++) 4.3+, LLVM Clang 2.9+,
-or Visual Studio 2013+.
+now it became back to only need GCC (G++) 4.6+, LLVM Clang 2.9+,
+or Visual Studio 2013 Update 4+.
 
 - Follow up the libsass upstream: 3.0.2 --- See the `release note`__ of libsass.
   [:issue:`33` by Rodolphe Pelloux-Prayer]
@@ -139,9 +139,9 @@ Version 0.6.0
 Released on October 27, 2014.
 
 Note that since libsass-python 0.6.0 (and libsass 3.0) it requires C++11
-to compile.  Although 0.6.2 became back to only need GCC (G++) 4.3+,
+to compile.  Although 0.6.2 became back to only need GCC (G++) 4.6+,
 LLVM Clang 2.9+, from 0.6.0 to 0.6.1 you need GCC (G++) 4.8+, LLVM Clang 3.3+,
-or Visual Studio 2013+.
+or Visual Studio 2013 Update 4+.
 
 - Follow up the libsass upstream: 3.0 --- See the `release note`__ of Libsass.
 

docs/index.rst

@@ -46,8 +46,8 @@ It's available on PyPI_, so you can install it using :program:`pip`:
 .. note::
 
    libsass-python (and libsass) requires C++11 to compile.
-   It means you need install GCC (G++) 4.3+, LLVM Clang 2.9+,
-   or Visual Studio 2013+.
+   It means you need install GCC (G++) 4.6+, LLVM Clang 2.9+,
+   or Visual Studio 2013 Update 4+.
 
 .. _PyPI: https://pypi.python.org/pypi/libsass