npm dependencies and peerDependencies updated to support both webpack 1.x.x and 2.x.x. version 1.0.3

Author: Valentyn

package.json

@@ -1,6 +1,6 @@
 {
   "name": "string-replace-loader",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Replace loader for Webpack",
   "keywords": [
     "webpack",
@@ -21,10 +21,10 @@
   "devDependencies": {
     "chai": "^3.2.0",
     "mocha": "^2.3.2",
-    "webpack": "^1.9.0"
+    "webpack": "1.x.x || 2.x.x"
   },
   "peerDependencies": {
-    "webpack": "^1.9.0"
+    "webpack": "1.x.x || 2.x.x"
   },
   "repository": {
     "type": "git",