fix empty key

README.md

@@ -33,7 +33,7 @@ value2 => Take the value in quotation marks
 value3 => Or take in apostrophes
 value4 => You can also comment
 value5 => So you can also comment
-value6 => 
+value6 => "And you can even do that!"
 value7 => 1234567890
 value8 => 12345.67890
 value9 => You can use large margins

source/readconf.d

@@ -28,7 +28,7 @@ private:
          */
         @property bool empty()
         {
-            return this.property.length = 0;
+            return this.property.length == 0;
         }
 
         /** 
@@ -84,7 +84,7 @@ private:
                 {
                     if (match[group][0] == '\'')
                         group = 10;
-                    if (match[group][0] == '\"')
+                    else if (match[group][0] == '\"')
                         group = 8;
                 }
                 this.properties[match[1]] = PP(match[1], match[group]);

tests/test.d

@@ -9,15 +9,12 @@ unittest
     assert(Config.file.key("value3") == "Or take in apostrophes");
     assert(Config.file.key("value4") == "You can also comment");
     assert(Config.file.key("value5") == "So you can also comment");
-    // assert(Config.file.key("value6") == "\"And you can even do that!\"");
-    assert(Config.file.key("value6") == ""); // D unable to read quotes
+    assert(Config.file.key("value6") == "\"And you can even do that!\"");
     assert(Config.file.key("value7") == "1234567890");
     assert(Config.file.key("value8") == "12345.67890");
     assert(Config.file.key("value9") == "You can use large margins");
-    assert(!Config.file.key("value10").empty);
-    assert(Config.file.key("value10") == "");
-    assert(!Config.file.key("value11").empty);
-    assert(Config.file.key("value11") == "");
+    assert(Config.file.key("value10").empty);
+    assert(Config.file.key("value11").empty);
     assert(Config.file.key("value12") == "//path");
 }