Updates for 0.1.5 release
Updates for 0.1.5 release

tonsky/datascript,borovsky/datascript,dahjelle/datascript,sonwh98/datascript,systemovich/datascript,dahjelle/datascript,paddymahoney/datascript,sherbondy/datascript,dahjelle/dataquery,piranha/datascript,sonwh98/datascript,piranha/datascript,dahjelle/datascript,alesguzik/datascript,alesguzik/datascript,piranha/datascript,refset/datascript,systemovich/datascript,refset/datascript,sonwh98/datascript,paddymahoney/datascript,refset/datascript,sherbondy/datascript,paddymahoney/datascript,borovsky/datascript,alesguzik/datascript,tonsky/datascript,tonsky/datascript,sherbondy/datascript,borovsky/datascript,systemovich/datascript