Fix bug in new criteria matcher

src/base/criteria.lua

@@ -51,7 +51,7 @@
 	function criteria.matches(crit, context)
 		local checkterm = function(term)
 			for _, value in ipairs(context) do
-				if value:match(term) then
+				if value:match(term) == value then
 					return true
 				end
 			end

tests/base/test_criteria.lua

@@ -45,3 +45,13 @@
 		crit = criteria.new { "orange", "pear" }
 		test.isfalse(criteria.matches(crit, { "apple", "orange" }))
 	end
+
+
+--
+-- Context terms must match the entire criteria term.
+--
+
+	function suite.fails_onIncompleteMatch()
+		crit = criteria.new { "ps3" }
+		test.isfalse(criteria.matches(crit, { "ps3 ppu sn" }))
+	end