Updated password field in SQL schema

The varchar(32) was not big enough to fit in the newly used md5-crypt, which is 34 characters long
Don't show ugly warnings when someone pushes enter in console

It won't break anything, but the errors are a bit ugly.
Don't declare the var password twice

This resulted in perl warnings that clutter the logfiles.
Updated some insert queries

Make them compliant with the SQL99 standard, instead of using some mysql-ism.
Merge pull request #5 from herwinw/sql_standard

Updated some insert queries
Merge pull request #4 from herwinw/warn_reuse_variable

Don't declare the var password twice
Merge pull request #3 from herwinw/console_log_whitelines

Don't show ugly warnings when someone pushes enter in console
Merge pull request #2 from herwinw/schema_fixes

Updated password field in SQL schema