README.md: Various minor updates

README.md

@@ -9,9 +9,14 @@ ADDR")](http://tools.ietf.org/html/rfc6122). Pontarius XMPP is part of [the
 Pontarius project](http://www.pontarius.org/), an effort to produce free and
 open source, uncentralized, and privacy-aware software solutions.
 
+While in alpha, Pontarius XMPP works quite well and fulfills most requirements
+of the RFCs.
+
 Prerequisites
 -------------
 
+Pontarius XMPP requires GHC 7.0, or later.
+
 You will need the ICU Unicode library and it's header files in order to be able
 to build Pontarius XMPP. On Debian, you will need to install the *libicu-dev*
 package. In Fedora, the package is called *libicu-devel*.
@@ -97,6 +102,10 @@ back to the recipient. This can be done like so:
             Just answer -> sendMessage answer sess
             Nothing -> putStrLn "Received message with no sender."
 
+You don't need to worry about escaping your <code>Text</code> values - Pontarius
+XMPP (or rather, [xml-picklers](https://github.com/Philonous/xml-picklers)) will
+take care of that for you.
+
 Additional XMPP threads can be created using <code>dupSession</code> and
 <code>forkIO</code>.