v0.7.0: More readable formatting, hide inflections, and more!

• ❇️ New: Results are now formatted for easier reading. This can be disabled by
  unchecking "Show formatted output" in Preferences.
• ❇️ New: When using formatted output, you can hide the list of potential
  inflections for a word by unchecking "Always show inflections" in Preferences.
• ❇️ New: You can now customize settings for the underlying WORDS program,
  allowing you to exclude certain types of words or "tricks". See the
  "Dictionary" tab in Preferences.
• ❇️ New: You can now customize how iWords checks for updates in the "Updates"
  Preferences tab.
• ❇️ New: iWords can now float on top of other windows. See "View" > "Float on
  Top", or the new toolbar button.
• 🔄 Changed: Perseus lookup is now done via a new "⋯" button in the results
  area.
• 🔄 Changed: No longer send anonymous system data.