v0.9.0

What’s Changed

• Bump version to 0.9.0 (#224) @synthead
• Use Time#strftime values for protocol 3 and 4 Time date_format parameter (#223) @synthead
• Use symbols for Protocol9::Timer's action_at_end parameter (#221) @synthead
• Add DATE_FORMATS constant to protocol 3 and 4 Time models (#220) @synthead
• Fix capitalization for title in "acquiring SPC and ZAP files" documentation (#219) @synthead
• Add documentation on how to acquire pcvocab.mdb for protocol 7 (#217) @synthead
• Add documentation for acquiring SPC and ZAP files (#215) @synthead
• Add Ruby and gem installation instructions (#214) @synthead
• Mention timex_datalink_crt in README.md (#213) @synthead
• Explain the CRT transfer a little better in README.md (#212) @synthead
• Use gold Datalink 150 in README.md's "What is the Timex Datalink?" section (#208) @synthead
• Use true and false values for Games examples in protocol 7 documentation (#207) @synthead
• Use consistent activity example times in protocol 7 documentation (#205) @synthead
• Fix inconsistent code example for activity in protocol 7 documentation (#203) @synthead