Fix crash with objects and symbols

- Add support for SELECT TOP construct for mssql dialect for limit (d…

…resende#41)

Merge pull request dresende#39 from dresende/join

Allow specifying join type dresende#22

0.1.24

Bump version

Bump version

Revert different treatment of and .

It generates invalid SQL queries when users accidentally set something to undefined rather than null.

escapeQuery shouldn't modify provided array

Allow passing nulls to select functions.

Closes dresende#32

Remove ancient node versions from travis & bump version