documentation fix
Merge pull request #303 from csantero/doc-fix

documentation fix
Document schema#raw
Merge branch 'master' of github.com:tgriesser/knex

* 'master' of github.com:tgriesser/knex:
  documentation fix
enable schema.raw method
release 0.6.4
release 0.6.5
Add support & document raw.wrap
SQlite3 DDL fixes, more for #46

Don't throw when trying to add foreign key
Allow dropping a column in sqlite3
release 0.6.6
Adding support for mysql2, https://github.com/sidorares/node-mysql2
release 0.6.7
Minimist should now live in dependencies list
release 0.6.8
release 0.6.9
release 0.6.10
Docs version number fix
Fix for multiple orderBy statements in sqlite3
release 0.6.11
Fix for boolean default types in PostgreSQL