Pseudo mirbase dat will be copied into output folder

[greatfireball]

Fixes #131 .

Changes proposed within this pull request

• Finally, pseudo mirBASE dat file will be copied into output folder

@microPIECE-team/micropiece-team-admins

[coveralls]

Pull Request Test Coverage Report for Build 394

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.006%) to 91.738%

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Totals
Change from base Build 392:	0.006%
Covered Lines:	1177
Relevant Lines:	1283

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💛 - Coveralls