Add RegexSet functionality to C API#288

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BurntSushi merged 7 commits intorust-lang:masterfrom

tiehuis:master

Nov 8, 2016

Commits on Oct 19, 2016

Add RegexSet functionality to C API
tiehuis
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Commits on Oct 20, 2016

Update documentation + add rure_set_len function
tiehuis
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