truncate method use MongoCollection::remove()
read() method support hint option
add bad hint test
Merge pull request #95 from nojimage/support-hint-option

Support 'hint' option
Update composer.json

add license
Adding missing <span> tags for the docs
Merge pull request #94 from nojimage/fixes-truncate

truncate method use MongoCollection::remove()
Merge pull request #97 from serroba/cake2.2-serroba

Adding missing <span> tags for the docs