Add test for findAndCountAll with required belongsTo and limit

Test currently fails. See issue #1953.
fix(includes): better support for limit + required include (but without where)
Merge branch 'tremby-issue-1953-findandcountall-test'
[ci-skip] Remove accidental on('sql')
Initial setup for ms sql server support
Add showTablesQuery / dropTableQuery
Add first steps for createTableQuery
fix dropTableQuery
"query-interface describeTable" test now passes
All but the last test pass in Query Interface
QueryInterface passes with refactor
More separation and a template file for abstract
Destroyed the Select statement, now rebuilding
Fixed bug in lib/model.js deleting clauses
fixed identity column with Insert
Partial fix for where clause, still issues
Alias Test passes
Fixes for lib/instance passing where clause
Fixes to where clause generation
added support for delete