Fixes to package.json

Upped version number so that changes to npm compatibility can be reflected in a new npm version

package.json

@@ -1,7 +1,7 @@
 {
   "name": "libcoin",
   "description": "Bitcoin Library",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "author": {
     "name": "Stephen Pair",
     "email": "stephen@bitpay.com"
@@ -25,15 +25,15 @@
   },
   "scripts": {},
   "dependencies": {
-    "classtool": ">=1.0.0",
-    "base58-native": ">=0.1.1",
-    "bindings": ">=1.1.0",
-    "bufferput": ">=0.1.1",
-    "bignum": "0.6.1",
-    "binary": "0.3.0",
-    "step": "0.0.4",
-    "buffers": ">=0.1.1",
-    "buffertools": "1.1.1"
+    "classtool": "=1.0.0",
+    "base58-native": "=0.1.1",
+    "bindings": "=1.1.0",
+    "bufferput": "=0.1.1",
+    "bignum": "=0.6.1",
+    "binary": "=0.3.0",
+    "step": "=0.0.4",
+    "buffers": "=0.1.1",
+    "buffertools": "=1.1.1"
   },
   "devDependencies": {},
   "license": "MIT"