move CCIO from containers.io to containers

_oasis

@@ -53,13 +53,13 @@ Library "containers"
   Path:             src/core
   Modules:          CCVector, CCPrint, CCError, CCHeap, CCList, CCOpt, CCPair,
                     CCFun, CCHash, CCInt, CCBool, CCFloat, CCArray, CCRef, CCSet,
-                    CCOrd, CCRandom, CCString, CCHashtbl, CCMap, CCFormat,
+                    CCOrd, CCRandom, CCString, CCHashtbl, CCMap, CCFormat, CCIO,
                     Containers
   BuildDepends:     bytes
 
 Library "containers_io"
   Path:             src/io
-  Modules:          CCIO
+  Modules:
   BuildDepends:     bytes
   FindlibParent:    containers
   FindlibName:      io

src/core/CCIO.mli

@@ -30,9 +30,6 @@ Simple utilities to deal with basic Input/Output tasks in a resource-safe
 way. For advanced IO tasks, the user is advised to use something
 like Lwt or Async, that are far more comprehensive.
 
-{b NOTE} this was formerly a monadic IO module. The old module is now
-in [containers.advanced] under the name [CCMonadIO].
-
 Examples:
 
 - obtain the list of lines of a file:
@@ -58,6 +55,9 @@ Examples:
 
 @since 0.6
 
+in 'containers' (rather than 'containers.io')
+@since NEXT_RELEASE 
+
 *)