Update package.json to have more accurate dependency information

package.json

@@ -1,11 +1,17 @@
 {
   "name": "ci-node-query",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "A query builder for node based on the one in CodeIgniter",
   "author": "Timothy J Warren <tim@timshomepage.net>",
   "engines": {
     "node": ">=0.10.0"
   },
+  "contributors": [
+    {
+      "name": "Timothy J Warren",
+      "email": "tim@timshomepage.net"
+    }
+  ],
   "repository": {
     "type": "git",
     "url": "https://github.com/timw4mail/node-query.git"
@@ -28,17 +34,20 @@
   },
   "main": "lib/node-query.js",
   "dependencies": {
+    "es6-shim": "^0.23.0",
     "getargs": "",
-    "es6-shim": "",
-    "mysql": "^2.5.2",
-	"mysql2": "^0.12.5",
-	"nodeunit": "^0.9.0",
-	"pg": "^3.6.2"
+    "grunt-istanbul": "^0.4.0",
+    "jsdoc": "^3.3.0-beta1",
+    "mysql": "^2.5.4",
+    "mysql2": "^0.15.0",
+    "node-firebird": "^0.3.0",
+    "pg": "^4.2.0"
   },
   "optionalDependencies": {
     "dblite": "^0.6.1",
     "node-firebird": "^0.2.4",
-	"sqlite3": "^3.0.2"
+    "sqlite3": "^3.0.2",
+    "pg": "^3.6.2"
   },
   "devDependencies": {
     "nodeunit": "^0.9.0",
@@ -46,7 +55,7 @@
     "grunt-cli": "",
     "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-nodeunit": "^0.4.1",
-	"grunt-istanbul": "^0.3.0",
+    "grunt-istanbul": "^0.4.0",
     "grunt-jsdoc": ">=0.6.1",
     "jsdoc": "^3.3.0-alpha9"
   },