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Merge pull request laravel#225 from julienbourdeau/fix/null-driver-56

Fix PHP 5.6 compatibility for null driver

Merge pull request laravel#224 from inxilpro/cast-null-string

Use string "null" if default driver is set to NULL

Merge pull request laravel#220 from karamqubsi/3.0

Rewrite paginateRaw method for Builder class

Merge pull request laravel#211 from Artistan/ternary-fix

fix for php5.6, ternary operation …

allow passing chunk size

Merge pull request laravel#195 from jorenvanhee/add-get-search-results

Add raw method to builder

Merge pull request laravel#196 from julienbourdeau/fix/backport-user-…

…agent

Add Algolia user agent

Merge pull request laravel#181 from fwartner/3.0

Make queuing available from .env

Merge pull request laravel#176 from jmarcher/patch-5

Return the result from callback in withoutSyncingToSearch