0.13.0

• 234eb32 Fixed disk refresh and temp display (thanks @alexmaco)
• c532aba Dependency updates (thanks @alexmaco)
• 5fb55c6 Added support for historical disk space usage
• a4f723f Fix for issue #101
• 3f5d56a Make shift-tab cycle selected section backwards (thanks @alexmaco)
• 65cd9c9 Added IO Wait metrics when running as root/sudo
• 8248507 Remap f to / for filtering, and and / to ; for sort reversal (thanks @alexmaco)
• 629a4af Allow zenith to start when another instance is running, and add warni… (thanks @alexmaco)
• 45419bc Various updates for usability in process table
• 8eda9ae Make historgram more responsive (thanks @alexmaco)