FIXME about extracting coercion of string values.
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Update README.md
Update core.rb
Update README.md
Extracting out validations to it's own module.
Extracting attribute code to the attributes module.

Simplifing Entity.
Upping version.

Methods from Minimapper::Entity::Attributes has moved to
Minimapper::Entity::Attributes::ClassMethods.
repository first word should be R
Changing to actual types instead of symbols.

This will make it simpler to break out the form handling from the entity.

It breaks the previous converter API a bit. But it's a trivial fix in most any app.
README: Info about exceptions and status 404.
Implement new_record? in terms of persisted?
Mention that Mapper#delete doesn't honor AR callbacks or dependents.
Fix typo.
Set persisted state instead of relying on id presence.

Fixes #11.
entities_for takes a class name.
README: make Honeybadger ignore EntityNotFound.
Merge branch 'master' of github.com:barsoom/minimapper

Conflicts:
	unit/entity/rails_spec.rb