v0.5.1

Hyperopt v0.5.1

Diff since v0.5.0

Closed issues:

• Make Samplers have own Random number generator, not use the global one (#32)
• Feature request: Allow customization of pmap arguments (#59)

Merged pull requests:

• allow passing a custom pmap (#63) (@ericphanson)
• fix @hyperopt for upcoming base changes (#64) (@simeonschaub)
• Fix print for non-numeric items in minimization (#65) (@albheim)