diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 0612696..1548331 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -15,10 +15,8 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="50b7ab1f-b700-44ff-b78d-e32f34492ff2" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/loaders/Conf.cpp" afterPath="$PROJECT_DIR$/src/loaders/Conf.cpp" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/loaders/JSON_Loader.cpp" afterPath="$PROJECT_DIR$/src/loaders/JSON_Loader.cpp" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/loaders/JSON_Loader.h" afterPath="$PROJECT_DIR$/src/loaders/JSON_Loader.h" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/loaders/Conf.h" afterPath="$PROJECT_DIR$/src/loaders/Conf.h" />
     </list>
     <ignored path="$PROJECT_DIR$/cmake-build-debug/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -76,17 +74,27 @@
           <file leaf-file-name="Conf.cpp" pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/src/loaders/Conf.cpp">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="108">
-                  <caret line="6" column="30" lean-forward="false" selection-start-line="6" selection-start-column="30" selection-end-line="6" selection-end-column="30" />
+                <state relative-caret-position="180">
+                  <caret line="10" column="58" lean-forward="true" selection-start-line="10" selection-start-column="58" selection-end-line="10" selection-end-column="58" />
                   <folding />
                 </state>
               </provider>
             </entry>
           </file>
-          <file leaf-file-name="JSON_Loader.cpp" pinned="false" current-in-tab="true">
+          <file leaf-file-name="Conf.h" pinned="false" current-in-tab="true">
+            <entry file="file://$PROJECT_DIR$/src/loaders/Conf.h">
+              <provider selected="true" editor-type-id="text-editor">
+                <state relative-caret-position="180">
+                  <caret line="12" column="15" lean-forward="false" selection-start-line="12" selection-start-column="15" selection-end-line="12" selection-end-column="15" />
+                  <folding />
+                </state>
+              </provider>
+            </entry>
+          </file>
+          <file leaf-file-name="JSON_Loader.cpp" pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/src/loaders/JSON_Loader.cpp">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="831">
+                <state relative-caret-position="777">
                   <caret line="97" column="37" lean-forward="false" selection-start-line="97" selection-start-column="37" selection-end-line="97" selection-end-column="37" />
                   <folding>
                     <element signature="e#0#2#0" expanded="true" />
@@ -137,7 +145,6 @@
         <option value="$PROJECT_DIR$/src/loaders/Units.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/Plan.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/Plan.h" />
-        <option value="$PROJECT_DIR$/src/loaders/Conf.h" />
         <option value="$PROJECT_DIR$/src/loaders/Unit.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/Unit.h" />
         <option value="$PROJECT_DIR$/src/loaders/Suite.h" />
@@ -147,9 +154,10 @@
         <option value="$PROJECT_DIR$/examplar.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/JLoader.h" />
         <option value="$PROJECT_DIR$/src/loaders/JLoader.cpp" />
-        <option value="$PROJECT_DIR$/src/loaders/Conf.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/JSON_Loader.cpp" />
         <option value="$PROJECT_DIR$/src/loaders/JSON_Loader.h" />
+        <option value="$PROJECT_DIR$/src/loaders/Conf.cpp" />
+        <option value="$PROJECT_DIR$/src/loaders/Conf.h" />
       </list>
     </option>
   </component>
@@ -548,12 +556,12 @@
       <workItem from="1493165364496" duration="28418000" />
       <workItem from="1493849367458" duration="10819000" />
       <workItem from="1496894298085" duration="4924000" />
-      <workItem from="1496974639358" duration="8522000" />
+      <workItem from="1496974639358" duration="8801000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="138794000" />
+    <option name="totallyTimeSpent" value="139073000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -887,14 +895,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/loaders/Conf.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="288">
-          <caret line="16" column="0" lean-forward="false" selection-start-line="16" selection-start-column="0" selection-end-line="16" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/loaders/Plan.cpp">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -1069,17 +1069,9 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/loaders/Conf.cpp">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="6" column="30" lean-forward="false" selection-start-line="6" selection-start-column="30" selection-end-line="6" selection-end-column="30" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/loaders/JSON_Loader.cpp">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="831">
+        <state relative-caret-position="777">
           <caret line="97" column="37" lean-forward="false" selection-start-line="97" selection-start-column="37" selection-end-line="97" selection-end-column="37" />
           <folding>
             <element signature="e#0#2#0" expanded="true" />
@@ -1095,5 +1087,21 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/loaders/Conf.cpp">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="180">
+          <caret line="10" column="58" lean-forward="true" selection-start-line="10" selection-start-column="58" selection-end-line="10" selection-end-column="58" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/loaders/Conf.h">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="180">
+          <caret line="12" column="15" lean-forward="false" selection-start-line="12" selection-start-column="15" selection-end-line="12" selection-end-column="15" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/src/loaders/Conf.cpp b/src/loaders/Conf.cpp
index bfcaeae..e4c5c5a 100644
--- a/src/loaders/Conf.cpp
+++ b/src/loaders/Conf.cpp
@@ -2,18 +2,22 @@
 
 Conf::Conf( std::string filename ): JSON_Loader()
 {
+    // Conf is always loaded from file.
     this->load_json_file( filename, true );
 
-    this->plan_path = this->get_key("plan_path", true, false).asString();
-    this->units_path = this->get_key("units_path", true, false).asString();
+    // always load plan_path, it is required to function.
+    this->get_key( this->plan_path, "plan_path", true, false );
+
+    // always load units_path, it is required to function.
+    this->get_key( this->units_path, "units_path", true, false );
 };
 
 std::string Conf::get_plan_path()
 {
-    return this->plan_path;
+    return this->plan_path.asString();
 }
 
 std::string Conf::get_units_path()
 {
-    return this->units_path;
+    return this->units_path.asString();
 }
diff --git a/src/loaders/Conf.h b/src/loaders/Conf.h
index bf38ec2..6bacb77 100644
--- a/src/loaders/Conf.h
+++ b/src/loaders/Conf.h
@@ -9,8 +9,8 @@
 class Conf: public JSON_Loader
 {
 private:
-    std::string plan_path;
-    std::string units_path;
+    Json::Value plan_path;
+    Json::Value units_path;
 
 public:
     Conf( std::string filename );