add prerelease version test

Author: eli-darkly

tests/OperatorsTest.php

@@ -66,6 +66,7 @@ public function testSemVer() {
         $this->assertTrue(Operators::apply("semVerLessThan", "2.0.0", "2.0.1"));
         $this->assertTrue(Operators::apply("semVerLessThan", "2.0", "2.0.1"));
         $this->assertFalse(Operators::apply("semVerLessThan", "2.0.1", "2.0.0"));
+        $this->assertTrue(Operators::apply("semVerLessThan", "2.0.0-rc", "2.0.0"));
         $this->assertTrue(Operators::apply("semVerLessThan", "2.0.0-rc", "2.0.0-rc.beta"));
         $this->assertTrue(Operators::apply("semVerGreaterThan", "2.0.1", "2.0.0"));
         $this->assertFalse(Operators::apply("semVerGreaterThan", "2.0.0", "2.0.1"));