Phrases Optimizer

[markpapadakis]

• [(xbox one) OR "xbox one"] => [(xbox one)]
• [(xbox one) AND "xbox one"] => ["xbox one"]

This should be simple because we collapse sequences into runs.

[markpapadakis]

• ((1 OR [2,3]) OR ALL OF[2,3]) => (1 OR ALL OF [2, 3])
• ([1,2] AND (3 OR ALL OF[1,2])) => 3 OR AND [1,2]

[markpapadakis]

• "a b" OR "a b c" => "a b" <c>
• "a b" "a b c" => "a b c"