Alter behaviour of CommandUtils wrt stripping spaces

Change-Id: I9a785f381e5e9ad6eea80c7ff69e6319565c21ad
Reviewed-on: http://gerrit.dmdirc.com/2443
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/util/CommandUtils.java

                 builder.delete(0, builder.length());
                 inquote = false;
             } else if (inquote) {
-                if (builder.length() > 0) {
                     builder.append(' ');
-                }
 
                 builder.append(word);
             } else if (word.startsWith("\"") && !word.endsWith("\"")) {

test/com/dmdirc/util/CommandUtilsTest.java

 import java.util.Arrays;
 
 import org.junit.Test;
+
 import static org.junit.Assert.*;
 
 public class CommandUtilsTest {
+
     @Test
     public void testParseArguments() {
         final String[][][] tests = new String[][][]{
             {{"abcdef \"abcdef\" \"abcdef\""}, {"abcdef", "abcdef", "abcdef"}},
             {{"abcdef \"\""}, {"abcdef", ""}},
             {{"abcdef \" foo?\""}, {"abcdef", " foo?"}},
-        };
+            {{"abcdef \" foo? bar\""}, {"abcdef", " foo? bar"}},};
 
         for (String[][] test : tests) {
             final String[] res = CommandUtils.parseArguments(test[0][0]);