Add \.json to the regexp for allowing overwrites

Since xml and yaml (yml) were already in the list
json seemed like a reasonable addition.
Create SQLite schemas based on MySQL schemas
use YAML::XS, not YAML::Syck
do not use NOW() -- it precludes SQLite
Add PID_DIR config option
add a min file count option
avoid another mysql function
put these methods in PAUSE to avoid package issues

I wish we did not have so many packages in each file!
README note missing gpg key details
Add ML_CHOWN_USER config option
add ML_MAILER option
Sort PAUSE config hash
make 02packages min lines option
Add ML_CHOWN_GROUP config option
Use db-specific handle to find email addresses
do not re-use db connections

The code assumes that both databases live on one server, which is
not a safe assumption.  Then the passed-in connection must be for the
mod table, but is used for authen, too.  We now remove
that option, and will have a shared DB manager later.
minor syntactic changes to improve synhi in vim
remove unused prototypes
eliminate hard tabs
rename the work and work2 methods more descriptively