Merge pull request #40 from gradha/pr_updates_readme

Updates version numbers for required nimrod compiler.

readme.markdown

@@ -5,15 +5,15 @@ language](http://nimrod-lang.org).
 
 ## Installation
 
-You will need the latest [Nimrod compiler from
-github](https://github.com/Araq/Nimrod) to compile babel (version 0.9.2 does
-**not** work). To run babel you will need to have installed some of the tools
-it depends on to check out source code. For instance, if a package is hosted on
-[Github](https://github.com) you require to have [git](http://www.git-scm.com)
-installed and added to your environment ``PATH``. Same goes for
-[Mercurial](http://mercurial.selenic.com) repositories on
-[Bitbucket](https://bitbucket.org). On Windows you will also need [OpenSSL
-DLLs](https://www.openssl.org) for secure network connections.
+You will need version 0.9.4 of the [Nimrod
+compiler](http://nimrod-lang.org/download.html). [Development versions from
+GitHub](https://github.com/Araq/Nimrod) will likely work too. To run babel you
+will need to have installed some of the tools it depends on to check out source
+code. For instance, if a package is hosted on [Github](https://github.com) you
+require to have [git](http://www.git-scm.com) installed and added to your
+environment ``PATH``. Same goes for [Mercurial](http://mercurial.selenic.com)
+repositories on [Bitbucket](https://bitbucket.org). On Windows you will also
+need [OpenSSL DLLs](https://www.openssl.org) for secure network connections.
 
 ### Unix