Merge branch '156-set-environment-variable-packagename-_root' into 'master'

Resolve "set environment variable <PackageName>_ROOT"

Closes #156

See merge request Pmodules/src!128

Pmodules/libmodules.tcl

@@ -154,6 +154,9 @@ proc _pmodules_setenv { PREFIX name version } {
 		if { [lsearch ${::dont-setenv} "${NAME}_HOME"] == -1 } {
 			setenv		${NAME}_HOME		$PREFIX
 		}
+		if { [lsearch ${::dont-setenv} "${NAME}_ROOT"] == -1 } {
+			setenv		${NAME}_ROOT		$PREFIX
+		}
 	} else {
 		debug "$PREFIX is not a directory"
 	}

config/versions.conf

@@ -4,6 +4,6 @@ findutils	4.7.0
 getopt		1.1.6
 gettext		0.21
 modules		3.2.10.1
-Pmodules	1.0.0rc10
+Pmodules	1.0.0rc11
 Tcl		8.6.10
 tcllib		1.20