updated dependencies

.gitignore

@@ -3,4 +3,5 @@ node_modules/
 coverage/
 npm-debug.log
 .vscode/
-.idea/
+.idea/
+.nyc_output/

.mocharc.json

@@ -0,0 +1,3 @@
+{
+  "require": "ts-node/register"
+}

.nycrc.json

@@ -0,0 +1,13 @@
+{
+  "all": true,
+  "check-coverage": true,
+  "exclude": [
+    "**/*.d.ts",
+    "src/decorator-options/**",
+    "src/metadata/args/**",
+    "src/metadata/types/**"
+  ],
+  "extension": [".ts"],
+  "include": ["src/**"],
+  "reporter": ["html", "lcov", "text-summary"]
+}

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - stable
+  - 12
+  - 10
   - 8
-  - 6
 
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)

README.md

@@ -73,11 +73,11 @@ You can use routing-controllers with [express.js][1] or [koa.js][2].
 
 1. Install module:
 
-    `npm install routing-controllers --save`
+    `npm install routing-controllers`
 
 2. `reflect-metadata` shim is required:
 
-    `npm install reflect-metadata --save`
+    `npm install reflect-metadata`
 
     and make sure to import it before you use routing-controllers:
 
@@ -89,21 +89,27 @@ You can use routing-controllers with [express.js][1] or [koa.js][2].
 
     **a. If you want to use routing-controllers with *express.js*, then install it and all required dependencies:**
 
-    `npm install express body-parser multer --save`
+    `npm install express body-parser multer`
 
     Optionally you can also install their typings:
 
-    `npm install @types/express @types/body-parser @types/multer --save`
+    `npm install -D @types/express @types/body-parser @types/multer`
 
     **b. If you want to use routing-controllers with *koa 2*, then install it and all required dependencies:**
 
-    `npm install koa koa-router koa-bodyparser koa-multer --save`
+    `npm install koa koa-router koa-bodyparser koa-multer`
 
     Optionally you can also install their typings:
 
-    `npm install @types/koa @types/koa-router @types/koa-bodyparser --save`
+    `npm install -D @types/koa @types/koa-router @types/koa-bodyparser`
 
-4. Its important to set these options in `tsconfig.json` file of your project:
+4. Install peer dependencies:
+
+  `npm install class-transformer class-validator`
+
+  In prior versions, these were direct dependencies, but now they are peer dependencies so you can choose when to upgrade and accept breaking changes.
+
+5. Its important to set these options in `tsconfig.json` file of your project:
 
     ```json
     {