kill not peristent mysql links
Merge branch 'master' of https://github.com/hippyvm/hippyvm

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#19 fix mt_rand (rand number was to wide)
#20 use urandom for seeding Random
register and unregister resources to enable closing them at the end of interpreter
Merge branch 'master' of https://github.com/hippyvm/hippyvm

# Please enter a commit message to explain why this merge is necessary,
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