title: Laravel 5 migrations : default length of different types in Schema::table method
body: <p>I'm setting up a migration on Laravel 5 and was wondering if there was some documentation for the default lengths of each of the Column Types ? Do they follow some convention like MySQL's?</p>
  
  <p>Ex:
      INTEGER,
      TEXT,
      MEDIUMTEXT,
      LONGTEXT</p>
  
  <p>I'm talking about these Column Types :
  (<a href="http://laravel.com/docs/5.0/schema#adding-columns" rel="noreferrer">http://laravel.com/docs/5.0/schema#adding-columns</a>) </p>