Transit from UNSTABLE to BETA.

BETA

@@ -0,0 +1,10 @@
+*** PLEASE READ ***
+
+The library code in this branch is the result of a major rewrite of Predis 0.6 
+and is considered of BETA quality, which means that there should not be any 
+known outstanding bug and that the internal API is almost finalized and fixed 
+(but it could still be subject to slight changes if needed).
+
+Feedback is obviously appreciated and even if things should just work, use it 
+at your own risk! If you need to use Predis in a production environment please 
+use a tagged release or checkout the version-0.6 branch from the repository.

UNSTABLE

@@ -1,11 +0,0 @@
-*** ATTENTION ***
-
-The library code in this branch is currently undergoing a major rewrite and it 
-is marked as UNOPTIMIZED, HIGHLY UNSTABLE and will most likely FAIL from time 
-to time. The internal API is still subject to frequent changes since its 
-design has not been fully finalized yet.
-
-Feedback is obviously appreciated, but use it at your own risk!
-
-If you need to use Predis in a production environment please use a tagged 
-release or checkout the version-0.6 branch from the Git repository.