web/vegpath/index.php: URL fragment redirect: Blink the namespace being loaded, rather than displaying "Loading" at the bottom of the page, to make it clearer what's being loaded

web/vegpath/index.php: add_ref(): Don't display the URL pattern in monospace, because fixed-width font is not needed and variable-width font is easier to read. This requires decreasing the header level because variable-width font is bigger than fixed-width font.

web/vegpath/main.css: Added entries for h6

web/vegpath/index.php: parse_dot_path() calls: Fixed bug where need to test result components using \`!== ""\` instead of just using the value as a boolean because PHP incorrectly interprets the string "0" as false

web/vegpath/util.php: Path: Made $tail default to ""

web/vegpath/index.php: URL fragment redirect: Prepend / instead of ? because filesystem paths are now redirected using .htaccess, removing the need to set the query string

web/vegpath/index.php: phpMyAdmin(): Fixed bug where can't use tbl_alter as the column target page because it requires a token param, which is only obtained after the user logs in

web/vegpath/util.php: partition(): Fixed bug where strpos() actually does take the search-for param second rather than first (but returns false on no match)

web/vegpath/util.php: partition(): Fixed bug where strpos() returns false rather than -1 on no match

web/vegpath/util.php: partition(): Fixed bug where strpos() takes the search-for param first rather than second