Merge branch '157-set-alias-in-modulefile-is-broken' into 'master'

Resolve "set-alias in modulefile is broken"

Closes #157

See merge request Pmodules/src!129

Pmodules/modulecmd.bash.in

@@ -639,7 +639,7 @@ subcommand_unload() {
         local arg
 	for arg in "${args[@]}"; do
 	        local output=$("${modulecmd}" "${Shell}" 'unload' "${arg}")
-                eval "${output}"
+                eval "$(echo "${output}"|sed -e 's/;unalias [^;]*//g')"
 		case ${Shell} in
 		sh | bash | zsh )
                         echo "${output}"