Merge pull request ethereum#1532 from ethereum/bumpVersion

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Merge pull request ethereum#1520 from ethereum/publish

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Merge pull request ethereum#1518 from ethereum/bumpVersion2

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Merge pull request ethereum#1512 from ethereum/bumpVersion

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live deploy 11/07/2018

Merge pull request ethereum#1356 from ethereum/bumpVersion

v0.6.4-alpha.1

version 0.6.3

bump version 0.6.2

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