Updates to Working-With-Data

Restructures the pages into logically grouped subjects.
Adds In-page anchor based navigation to longer pages.
Creates a page (working-with-records) that covers query config, CRUD, finder...
Expands the model creation and configuration page.
Breaks out the Data Concepts into a short overview page

NOTE:  This uses an approach of longer pages covering a larger subject matter.  Alternately, there may be a benefit to an approach with short pages covering single, or a few closely related methods to put more specific topics into the left menu, which may improve user experience and speed up the user's ability to find what they are looking for.  Just a thought.

NOTE:  The blockquote tag would be handy in this manual for tips, tricks, shortcuts, and caution/warning statements.  Currently, the li3_docs CSS font size for blockquotes in the markdown class is about 2em, which renders it unusable.  Would like to either change it in li3_docs or override it if possible.

-Andy