docs: expand csv conditional block doc a bit
docs: more csv conditional block doc
docs: fix a typo in csv conditional block doc
csv reader: add the `include` directive, useful for factoring out common rules used with multiple CSV files
Upgrade to regex-compat-tdfa to squelch unicode problems
Merge pull request #134 from batterseapower/master

Upgrade to regex-compat-tdfa to squelch Unicode problems
docs: update release notes
parsing: amt queries use the = operator by default
new comm:REGEXP query matches commodity symbols. Also some minor amt: fixes.
change comm: to sym: and require a match on the whole symbol
tools: use firefox as default browser in this modern era
docs: document sym: in more detail
docs: note manual is for latest code
docs: add 0.21.3's manual to past manuals
refactor: rename unclear helper
register: `--average/-A` shows a running average, like ledger
print: comment positions (same line or next line) are now preserved
docs: report haddock cleanups
site: give front page its own style without nav bar
site: reorder imports