Mostly went through and clarified variable names. Rather than "entry" for everything, use "transaction" and "posting" as appropriate to improve readability.
Most of the files have been touched several times and the indentation structure
was wrong. I ran all the files through the emacs indent region function to get back to
a baseline
Based on loccur. Hides everything but the xacts that match a regex. Linked to reconcile mode so that when you reconcile an account on xacts with that account are shown. Documentation updated
C-c C-s now bound to ledger-sort-region. ledger-sort-region is smart and
find the beginning of the first xact within the region and the beginning of
the first xact AFTER the region so that it can keep posing structure intact
