Making the type in Table::find() optional
Making first param for Table::find() optional
Adding Table::get() as a less verbose alternative for finding a single
record by primary key
Unit testing Table::get()
Including missing file and improving consistency when throwing
exceptions
Fixing doc block
Removing Table::find() overloading
Fixing exception message
Merge pull request #2521 from cakephp/3.0-simplify-find

3.0 simplify find