Deleted unused compare-key fn (closes #24)
Deleted unused compare-key fn (closes #24)

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