databases/p5-Dancer-Plugin-Database-Core: 0.14 -> 0.16

• Fix bug introduced in 0.15's refactoring which stopped empty where clauses (e.g. $where => {}) working
• factor code for Dancer::Plugin::SimpleCRUD (joshrabinowitz)

PR: 211829
Submitted by: Henk van Oers <hvo.pm@xs4all.nl>
Approved by: sunpoet (maintainer timeout)