Fix: Didn't pass right number of arguments in access filter causing unexpected access denied for posts.
Fix: init() would accidentally overwrite settings.
Fix: Typo in subject prefix for alert notices
Fix: Ensure that metabox loads settings & sequences as expected
Fix: With "show future posts" enabled we would still ignore them.
Fix: seq_datediff() would sometimes use the wrong enddate when calculating days
Fix & Enh: Simplified hasAccess() function to avoid unnecessary looping.

Enh: Merge existing and default settings to ensure all setting variables are correctly loaded.
Enh: whoCalledMe() - Private function to display & print calling function
Enh: Clean up <a href> tags for sequence settings
Enh: Refactor means less copying of settings between functions.
Enh: normalizeDelay() & convertToDays() return more quickly if the user didn't specify a date as the delay value.

Various: Whitespace & debug output cleanup