F/rxjs6+ (#9)

* update rxjs version

* 0.3.4

* update dependencies

Author: haoliangyu

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "pg-reactive",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "RxJS 5 interface for PostgreSQL",
   "main": "dist/pg-reactive.js",
   "types": "typescript/pg-reactive.d.ts",
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.0",
+    "babel-core": "^6.26.3",
     "babel-eslint": "^8.2.3",
     "babel-plugin-rewire": "^1.1.0",
     "babel-preset-es2015": "^6.24.1",
@@ -40,12 +40,12 @@
     "eslint": "^4.19.1",
     "eslint-plugin-json": "^1.2.0",
     "husky": "^0.14.3",
-    "mocha": "^5.1.0"
+    "mocha": "^5.2.0"
   },
   "dependencies": {
     "is-observable": "^1.1.0",
-    "pg": "^7.4.1",
+    "pg": "^7.4.3",
     "pg-query-stream": "^1.1.1",
-    "rxjs": "^5.5.10"
+    "rxjs": ">=5"
   }
 }

package.json

@@ -9,9 +9,8 @@ export default class pgrx {
   /**
    * Initalize a database connection.
    * @param  {String|Object} config    PostgreSQL database connection string or config object
-   * @param  {Object}        [options] Connection options
    */
-  constructor(config, options = {}) {
+  constructor(config) {
 
     if (typeof config === 'string') {
       const params = url.parse(config);