docs fixes

README.md

@@ -125,7 +125,7 @@ println("the name is ${prefs.userName}")
 ```
 
 ### Bundle arguments tricks
-The args bundle have never been such simple before. Let's declare another one activity:
+Dealing with args bundle has never been such simple before. Let's declare another one activity:
 ```kotlin
 class SecondActivity : AppCompatActivity() {
 
@@ -136,10 +136,25 @@ class SecondActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_second)
-        println("$userName $age $country")
+        println("$userName $age $country")  // that's it. just read the properties
     }
 }
 
+```
+Start activity with convenient bundle builder:
+```kotlin
+startActivity<SecondActivity> {
+    SecondActivity::userName to "Ivo Bobul"
+    SecondActivity::age to 99
+    SecondActivity::code to 65536
+}
+```
+or build the bundle separately:
+```kotlin
+val args = bundle {
+    SecondActivity::userName to "Slavko Vakarchuk"
+    SecondActivity::code to 100500
+}
 ```
 
 ### Resources

app/src/main/java/ds/bindingtools/demo/MainActivity.kt

@@ -5,7 +5,9 @@ import android.support.v7.app.AppCompatActivity
 import android.widget.Button
 import android.widget.TextView
 import ds.bindingtools.bind
+import ds.bindingtools.bundle
 import ds.bindingtools.startActivity
+import ds.bindingtools.unbindAll
 
 class MainActivity : AppCompatActivity() {
 
@@ -29,6 +31,12 @@ class MainActivity : AppCompatActivity() {
 
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        // need in case your viewmodel life duration is greater than activity (e.g. Arch Components ViewModel)
+        viewModel.unbindAll()
+    }
+
     private fun bindViews() = with(viewModel) {
         bind(::text, textLabel::setText, textLabel::getText)
     }
@@ -47,5 +55,9 @@ class MainActivity : AppCompatActivity() {
             SecondActivity::age to 99
             SecondActivity::code to 65536
         }
+        val args = bundle {
+            SecondActivity::userName to "Slavko Vakarchuk"
+            SecondActivity::code to 100500
+        }
     }
 }