diff --git a/src/test/test_computation.cpp b/src/test/test_computation.cpp
index 68cb6d5..344bcc9 100644
--- a/src/test/test_computation.cpp
+++ b/src/test/test_computation.cpp
@@ -30,7 +30,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /**
  * @brief Fills a vector<int> with escape time integers.
  *
- * @param tbuff 
+ * @param tbuff
  * @param z_real_min
  * @param z_real_max
  * @param z_ima_min
@@ -38,7 +38,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  * @param bailout
  * @param width
  * @param height
- * @param crunch_test A mock like object that implements some wrapper methods so 
+ * @param crunch_test A mock like object that implements some wrapper methods so
  * we can access private Methods in Mandelcruncher class
  */
 void fill_test_buffer(std::vector<int> &tbuff, double z_real_min,
diff --git a/todo/todo.txt b/todo/todo.txt
index f44a043..d5e9b13 100644
--- a/todo/todo.txt
+++ b/todo/todo.txt
@@ -1,12 +1,13 @@
-x 2016-02-14 2016-02-04 Implement continuous coloring algorithm @color
-(C) 2016-02-05 Linear RGB function extension like (255 - its * freq) % (255 - base) @color
+(B) 2016-02-04 Write a proper README file @documentation
+(B) 2016-02-05 Add a jupyter notebook to plot iterations using matplotlib  @zoom @color
 (B) 2016-02-05 Make color variables configurable @color
-(C) 2016-02-05 Maybe add a plugin api based on python for rgb color @color
 (C) 2016-02-04 Speed up mandelbrot serial cruncher code with CUDA for maximum parallelism @computation
-(B) 2016-02-04 Write a proper README file @documentation
 (C) 2016-02-05 Document code with doxygen and code comments @documentation
-x 2016-02-14 2016-02-05 Add possibility to zoom mandelbrot at a given coordinate @zoom
-(B) 2016-02-05 Add a jupyter notebook to plot iterations using matplotlib  @zoom @color
-(A) 2016-02-14 Unit testing based on the Catch framework @test
+(C) 2016-02-05 Linear RGB function extension like (255 - its * freq) % (255 - base) @color
+(C) 2016-02-05 Maybe add a plugin api based on python for rgb color @color
 (C) 2016-02-14 Different algorithms for mandelbrot computation. Currently only serial is implemented @computation
-
+(A) 2016-02-21 Add unit tests for output operations @test
+(B) 2016-02-21 More sets can be calculated with this code, like the julia set @computation
+x 2016-02-14 2016-02-04 Implement continuous coloring algorithm @color
+x 2016-02-14 2016-02-05 Add possibility to zoom mandelbrot at a given coordinate @zoom
+x 2016-02-21 2016-02-14 Unit testing based on the Catch framework @test