* Preamble. Mention commonly searched for capabilities missing, e.g., formatting and filtering.
* Clarify zebra_stripes as using alternating styles.
* Expand Cursors section to mention None type of cursor, clarify keyboard and mouse events, and that row indices start at one. Expand example for No Cursor option.
Also minor typos to previous two commits (preamble wording and zebra stripes).
* Expand sorting section for clarity.
Minor typos in Labeled Rows and Cursors sections.
* In Keys section, mention functions taking coordinates.
Fix typo in Sorting section.
* Minor changes
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Co-authored-by: Darren Burns <darrenb900@gmail.com>