Complete EXERCISES.txt
Complete EXERCISES.txt

The hexadecimal and binary-search-tree weren't included in the EXERCISES.txt file and therefore weren't automatically fetched by the CLI.

leenipper/xgo,pminten/xgo,robphoenix/exercism-go,robphoenix/exercism-go,pminten/xgo,leenipper/xgo,exercism/xgo,exercism/xgo