Fixes for version v0.10 streams, breaks log4js for older versions of node

package.json

@@ -1,6 +1,6 @@
 {
    "name": "log4js",
-   "version": "0.5.7",
+   "version": "0.6.0",
    "description": "Port of Log4js to work with node.",
    "keywords": [
        "logging",
@@ -17,7 +17,7 @@
    "bugs": {
        "url": "http://github.com/nomiddlename/log4js-node/issues"
    },
-   "engines": [ "node >=0.6" ],
+   "engines": [ "node >=0.10" ],
    "scripts": {
        "test": "vows"
    },
@@ -30,7 +30,7 @@
        "dequeue": "1.0.3"
    },
    "devDependencies": {
-       "vows": "0.6.2",
+       "vows": "0.7.0",
        "sandboxed-module": "0.1.3",
        "hook.io": "0.8.10",
        "underscore": "1.2.1"