Merge pull request #1 from orvice/dev

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Merge branch 'dev'
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Merge pull request #3 from orvice/dev

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Merge pull request #5 from orvice/dev

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Merge branch 'dev'
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Merge pull request #8 from orvice/dev

rewrite using mysqli
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Merge pull request #10 from orvice/dev

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Merge branch 'dev'
Merge branch 'master' of https://github.com/orvice/bootdown
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del js
Merge pull request #13 from orvice/dev

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Merge pull request #14 from orvice/master

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