Adding a failing test: `nvm ls 0.0.x` includes `v0.0.xy`

test/fast/Listing versions/Running "nvm ls 0.0.2" should display only version 0.0.2.

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+mkdir ../../../v0.0.2
+mkdir ../../../v0.0.20
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+# The result should contain only the appropriate version numbers.
+
+nvm ls 0.0.2 | grep 'v0.0.2' > /dev/null
+if [ $? -eq 0 ]; then
+  echo '"nvm ls 0.0.2" contained v0.0.2'
+fi
+
+nvm ls 0.0.2 | grep 'v0.0.20' > /dev/null
+if [ $? -eq 0 ]; then
+  die '"nvm ls 0.0.2" contained v0.0.20'
+fi
+

test/fast/Listing versions/teardown

@@ -1,6 +1,8 @@
 rmdir ../../../v0.0.1 >/dev/null 2>&1
+rmdir ../../../v0.0.2 >/dev/null 2>&1
 rmdir ../../../v0.0.3 >/dev/null 2>&1
 rmdir ../../../v0.0.9 >/dev/null 2>&1
+rmdir ../../../v0.0.20 >/dev/null 2>&1
 rmdir ../../../v0.1.2 >/dev/null 2>&1
 rmdir ../../../v0.1.3 >/dev/null 2>&1
 rmdir ../../../v0.2.3 >/dev/null 2>&1