v0.2.11

• Readme updates (@ilyakatz, @forest)
• Conditionally load core_ext/blank (@jsmestad)
• Add stories/owners endpoint (@valdis)
• Add epic creation and update (@erbunao)
• Support passing in a block to initialize (@jsmestad)
• Code cleanup and refactoring (@forest)

v0.2.10...v0.2.11