formCollection debug

no protected variable: $escapeHtmlHelper;
It displayed error:

Notice: Undefined property: ReverseForm\Renderer\Bootstrap::$escapeHtmlHelper in ../vendor/silvester/reverse-form/src/ReverseForm/Renderer.php on line 245

this corrects it.
Merge pull request #7 from remithomas/patch-1

formCollection debug
error align for bootstrap textarea element
error align for bootstrap select element
error align for bootstrap checkbox element
simple bootstrap checkbox element rendering
multi_checkbox element support for Bootstrap
translate collection label