Fixed quoting in parser

src/main/java/examples/Example6.java

@@ -18,7 +18,7 @@ public class Example6 extends Example {
 
     private void test() throws MikrotikApiException, InterruptedException {
         System.out.println("Creating interface gre1");
-        con.execute("/interface/gre/add remote-address=1.2.3.4 name=gre1 keepalive=10 comment=\"test comment\"");
+        con.execute("/interface/gre/add remote-address=1.2.3.4 name=gre1 keepalive=10 comment='test comment'");
         System.out.println("Adding firewall rule for interface gre1");
         con.execute("/ip/firewall/filter/add action=drop chain=forward in-interface=gre1 protocol=udp dst-port=78,80");//,80,32");
         System.out.println("Waiting 10 seconds");

src/main/java/me/legrange/mikrotik/impl/Scanner.java

@@ -74,7 +74,9 @@ class Scanner {
                 nextChar(); 
                 return Token.EQUALS;
             case '"' : 
-                return quotedText();
+                return quotedText('"');
+            case '\'' : 
+                return quotedText('\'');
             default :
                 return name();
         }
@@ -109,10 +111,10 @@ class Scanner {
     }
     
     /** process quoted text */
-    private Token quotedText() throws ScanException {
+    private Token quotedText(char quote) throws ScanException {
         nextChar(); // eat the '"'
         text = new StringBuilder();
-        while (c != '"') {
+        while (c != quote) {
             if (c == '\n') {
                 throw new ScanException("Unclosed quoted text, reached end of line.");
             }