basic sanity pass
simplify INSERT case
simplify IN case
simplify SET case
simply FROM case
switch to queue
fix wrong use of non-local state
remove kludge state
use queue to handle sql() w/o recursion
remove duplicate code from FROM case
simplify parse_resultset
inline parse_resultset
unify and simplify hash case
remove repetitive ref calls
Merge branch 'purify-with-fire'
rename to SQL::Interpol
make DBIx::Simple support us
add dzil scaffolding