Minor clarity and type-enforcement fixes

Fix Cache\TagSet::__construct() arg for prop used with array-only operations

Add phpdoc @method hints for \Cache\Manager->__call to StoreInterface driver

Remove unused assignment in SqlServerGrammar->compileAnsiOffset()

Remove unused param from Query\Builder->orWhereBetween()

Remove unused closure parameter in Connection->unprepared()

Fix Database\Capsule\Manager method arg types

Add explicit member var definition in Database\Capsule\Manager

Fix Database\Connectors\ConnectionFactory method property type

Clean up tabs and erroneous magic reference in Cache\CacheManager

Change visibility of  in Cookie\Queue

Mark formerly implicit members as protected per #3414
remove find, findOrFail from model, delegate to query builder
use model->newCollection
Turn the count into an expression.
Remove the count.
Merge pull request #3414 from ebollens/minor_fixes

Minor Clarity and Type-enforcement Fixes
Fix expression.
Removed 3 unused imports
Merge pull request #4045 from GrahamCampbell/4.1-imports

[4.1] Removed 3 Unused Imports
Merge pull request #3831 from alprs/refct/find-findorfail

Remove find, findOrFail from model, delegate to query builder
Remove unused app variables from the tests
Merge pull request #4047 from GrahamCampbell/4.1-unusedapp

[4.1] [Minor] Micro-Optimisation In Tests
Make registerSwiftMailer public
Merge pull request #4056 from JosephSilber/fix-mail-protected

Make registerSwiftMailer public
Fix `count` method return value.
Return number represented as integer instead of string.
Fixes #4067.
Whitespace fix.
IDE's...
Fix indents.
Merge pull request #4070 from Feld0/4.1

Fix #4067: Acceptance validation not boolean true