update README

- Add notes about required dependencies
    - c++ option for visual studio
    - python 2.x

fixes #95

README.md

@@ -42,6 +42,8 @@ Dependencies
 * NodeJS
 * OpenSSL (Development Libraries (header files) for compilation)
  * For Windows you'll need http://slproweb.com/products/Win32OpenSSL.html installed to the default location of `C:\OpenSSL-Win32`
+* Windows users will need the options for c# and c++ installed with their visual studio instance.
+* Python 2.x
 
 From NPM
 ============
@@ -226,4 +228,4 @@ Unless stated elsewhere, file headers or otherwise, the license as stated in the
 [bnoordhuis]:https://github.com/bnoordhuis
 [tootallnate]:https://github.com/tootallnate
 [seanmonstar]:https://github.com/seanmonstar
-[weareu]:https://github.com/weareu
+[weareu]:https://github.com/weareu