support SQL comments

Author: Elijah Carrel

src/main/java/com/andrewbrookins/idea/wrap/CodeWrapper.kt

@@ -10,7 +10,7 @@ import java.util.regex.Pattern
  * This code was inspired by Nir Soffer's codewrap library: * https://pypi.python.org/pypi/codewrap/
  */
 class CodeWrapper(
-    private val commentRegex: Regex = "(/\\*+|\\*/|\\*|\\.|#+|//+|;+)?".toRegex(),
+    private val commentRegex: Regex = "(/\\*+|\\*/|\\*|\\.|#+|//+|;+|--)?".toRegex(),
 
     private val newlineRegex: Regex = "(\\r?\\n)".toRegex(),