Merge pull request #101 from guillaumevincent/patch-1

Fix isValidValue call in documentation. Closes #99.

API.md

@@ -458,7 +458,7 @@ You can pre-verify a value against the passed validators to the form element.
 ```jsx
 class MyInput extends React.Component {
  changeValue = (event) => {
- if (this.isValidValue(event.target.value)) {
+ if (this.props.isValidValue(event.target.value)) {
  this.props.setValue(event.target.value);
  }
  }