Set upper bound to required Julia version

giordano · giordano · commit 18abf8432b63 · 2018-09-06T20:51:19.000+02:00
As per request at JuliaLang/METADATA.jl#17767
diff --git a/REQUIRE b/REQUIRE
@@ -1,2 +1,2 @@
-julia 0.6
+julia 0.6 0.7
 BinaryProvider 0.3.0
