facets should take an array, if passed (for syntax consistency). otherwise fallback to args (for backward compatibility)
Remove "argument guessing"
AndFilter should behave like OrFilter

Fixes #71
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Merge pull request #72 from jheys/master

alternate facets syntax
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Merge pull request #74 from samsullivan/master

Remove string check on IDs filter
Merge pull request #75 from samsullivan/master

wrap Query filter in fquery for _cache parameter
added setOptions method to request.
Merge pull request #79 from taylorotwell/master

added setOptions method to request.
Added elasticsearch's min_score functionality to the SeachRequest object
Merge pull request #81 from kwisatz/master

Added elasticsearch's min_score functionality to the SeachRequest object
Fixed a bug in the Nested filter component. The param should be filter instead of query and it requires to be flattened
Merge pull request #82 from kwisatz/master

Fixed a bug in the Nested filter component.
fix QueryStringMultiField rewrite parameter