fix docs (thanks @felipou) and widen travis tests

.travis.yml

@@ -11,7 +11,3 @@ sudo: false
 
 matrix:
   fast_finish: true
-  allow_failures:
-    - node_js: "0.12"
-    - node_js: "4"
-    - node_js: "5"

README.md

@@ -11,6 +11,9 @@
 
 ## History
 
+    2.3.1 - January 7 2016
+        - Documentation fixes and widened number of nodejs versions tested on travis
+
     2.3.0 - January 1 2016
         - Merged #105 - allow asynchronous validate functions (contributed by @felipou)
 
@@ -210,8 +213,10 @@ If you do this, your node process will exit gracefully.
                          is OK to use, or false if the object is invalid.  Invalid objects will be destroyed.
                          This function is called in acquire() before returning a resource from the pool.
                          Optional.  Default function always returns true.
-         validateAsync : true/false - Indicates whether the validate function is
-                         asynchronous. Default is false.
+         validateAsync : Asynchronous validate function. Receives a callback function as its second argument, 
+                         which should be called with a single boolean argument being true if the item is still 
+                         valid and false if it should be removed from the pool. Called before item is acquired 
+                         from pool. Default is undefined. Only one of validate/validateAsync may be specified
                    log : true/false or function -
                            If a log is a function, it will be called with two parameters:
                                                     - log string

lib/generic-pool.js

@@ -92,7 +92,7 @@ function doWhileAsync( conditionFn, iterateFn, callbackFn ) {
  *   as its second argument, that should be called with a single
  *   boolean argument being true if the item is still valid and false
  *   if it should be removed from pool. Called before item is
- *   acquired from pool.
+ *   acquired from pool. Only one of validate/validateAsync may be specified
  * @param {Number} factory.max
  *   Maximum number of items that can exist at the same time.  Default: 1.
  *   Any further acquire requests will be pushed to the waiting list.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "generic-pool",
   "description": "Generic resource pooling for Node.JS",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "author": "James Cooper <james@bitmechanic.com>",
   "contributors": [
     { "name": "James Cooper", "email": "james@bitmechanic.com" },