Regenerate gemspec for version 1.0.20
Regenerate gemspec for version 1.0.20

ikhakoo/cocoon,vtamara/cocoon,asiniy/cocoon,nathanvda/cocoon,ikhakoo/cocoon,vtamara/cocoon,nathanvda/cocoon,vtamara/cocoon,treble37/cocoon,ikhakoo/cocoon,chrise86/cocoon,asiniy/cocoon,treble37/cocoon,chrise86/cocoon,treble37/cocoon,nathanvda/cocoon,chrise86/cocoon,asiniy/cocoon