diff --git a/AttractorKernel.hpp b/AttractorKernel.hpp
index 4d0a7eb..e303dcf 100644
--- a/AttractorKernel.hpp
+++ b/AttractorKernel.hpp
@@ -1,13 +1,10 @@
 #ifndef ATTRACTORKERNEL_HPP
 #define ATTRACTORKERNEL_HPP
 
-#include <string>
-
 
 /*
  Protocol/interface, what you want
  */
-
 class AttractorKernel {
 public:
 
diff --git a/Canvas.cpp b/Canvas.cpp
index 4c71c9e..7852747 100644
--- a/Canvas.cpp
+++ b/Canvas.cpp
@@ -3,8 +3,6 @@
 #include <cmath>
 #include <cstdlib>
 #include <cassert>
-//#include <cstdint>
-using namespace std;
 
 #include "pngwriter/pngwriter.h"
 
@@ -101,8 +99,8 @@ void Canvas::plot(double x, double y, unsigned int c, double intensity) {
     I/O functions
 */
 void Canvas::output() {
-    cout << "Canvas: " << endl;
-    cout << "Dimensions: " << width << " x " << height << " x " << num_colors << endl;
+	std::cout << "Canvas: " << std::endl;
+    std::cout << "Dimensions: " << width << " x " << height << " x " << num_colors << std::endl;
 }
 
 void Canvas::output_file(const char * filename){
@@ -134,7 +132,7 @@ void Canvas::output_file(const char * filename){
         }
 
         if ( n <= 10 ) {
-            cout << "not enough data" << endl;
+            std::cout << "not enough data" << std::endl;
         }
     }
 
@@ -185,13 +183,13 @@ void Canvas::output_file(const char * filename){
     delete max_int;
     delete power;
 
-    cout << "ready for writing file i suppose: " << filename << endl;
+    std::cout << "ready for writing file i suppose: " << filename << std::endl;
 
-    ofstream file(filename);
+    std::ofstream file(filename);
     if ( !file ) {
-        cout << "jij hebt pech, geen png voor jou" << endl;
+        std::cout << "jij hebt pech, geen png voor jou" << std::endl;
     }
-    cout << filename << endl;
+    std::cout << filename << std::endl;
 
 
     pngFile->close();
@@ -212,7 +210,7 @@ void Canvas::output_file(){
 
 void Canvas::output_raw(const char * filename){
 
-    ofstream outfile (filename, ofstream::binary);
+    std::ofstream outfile (filename, std::ofstream::binary);
 
     outfile.write(reinterpret_cast<char*>(int_array), sizeof(unsigned int)*width*height*num_colors);
 
@@ -230,18 +228,18 @@ void Canvas::output_raw(){
 }
 
 void Canvas::input_raw(const char * filename){
-    ifstream infile(filename, ifstream::binary);
+    std::ifstream infile(filename, std::ifstream::binary);
 
     if ( ! infile ) {
-        cout << "poep" << endl;
+        std::cout << "poep" << std::endl;
         return;
     }
 
-    infile.seekg (0, ios::end);
+    infile.seekg (0, std::ios::end);
     int length = infile.tellg();
-    infile.seekg (0, ios::beg);
+    infile.seekg (0, std::ios::beg);
 
-    cout << "length: " << length << " =? " << static_cast<int>(width*height*num_colors*sizeof(unsigned int)) << endl;
+    std::cout << "length: " << length << " =? " << static_cast<int>(width*height*num_colors*sizeof(unsigned int)) << std::endl;
 
     infile.read (reinterpret_cast<char*>(int_array), sizeof (unsigned int)*width*height*num_colors);
 }
diff --git a/Canvas.hpp b/Canvas.hpp
index 2e82d8f..e03c8aa 100644
--- a/Canvas.hpp
+++ b/Canvas.hpp
@@ -1,28 +1,28 @@
-#ifndef CANVAS_HPP
-#define CANVAS_HPP
-
+#ifndef CANVAS_HPP
+#define CANVAS_HPP
+
 
 //#include "Vector.hpp"
 #include "Attractor.hpp"
-#include "Projector.hpp"
-
-// TODO : Canvas class abstraheren (zodat er makkelijk verschillende soorten canvae gemaakt kunnen worden)
+#include "Projector.hpp"
+
+// TODO : Canvas class abstraheren (zodat er makkelijk verschillende soorten canvae gemaakt kunnen worden)
 
 class Canvas{
     friend class Projector;
-
+
     unsigned int dim;
     unsigned int width;
     unsigned int height;
-    unsigned int num_colors;
-
+    unsigned int num_colors;
+
     unsigned int * size;
 
     unsigned int * int_array;
 
-    public:
-
-    double v;
+    public:
+
+    double v;
 
     Canvas(unsigned int width, unsigned int height, unsigned int num_colors = 1);
 
@@ -38,13 +38,13 @@ class Canvas{
     //void output(Vector& point);
 
     void output_file(const char *  filename);
-    void output_file();
-    void output_raw(const char * filename);
-    void output_raw();
+    void output_file();
+    void output_raw(const char * filename);
+    void output_raw();
     void input_raw(const char * filename);
 };
 
-
-
-#endif // CANVAS_HPP
+
+
+#endif // CANVAS_HPP
 
diff --git a/Projector.cpp b/Projector.cpp
index f50db2c..e2994c9 100644
--- a/Projector.cpp
+++ b/Projector.cpp
@@ -1,8 +1,6 @@
 #include <iostream>
 #include <cmath>
-#include <vector>
 #include <cassert>
-using namespace std;
 
 #include "Projector.hpp"
 #include "Canvas.hpp"
@@ -66,7 +64,7 @@ void Projector::finish_range() {
         if ( factor * dist > (double)canvas->size[i] ) {
             factor = (double)canvas->size[i] / dist;
             //teh_size = canvas->size[i];
-            cout << "crap for dim" << i << endl;
+			std::cout << "crap for dim" << i << std::endl;
         }
     }
 
@@ -102,10 +100,10 @@ void Projector::plot(const double * point) {
 
 
 void Projector::output(){
-    cout << "Projector properties: " << endl;
-    cout << " factor: " << factor << endl;
+	std::cout << "Projector properties: " << std::endl;
+	std::cout << " factor: " << factor << std::endl;
     for ( unsigned int i = 0; i < intern_dim; i++ ) {
-        cout << " dimension " << i << ": offset: " << offset[i] << ", range: [" << range_min[i] << ", " << range_max[i] << "]" << endl;
+		std::cout << " dimension " << i << ": offset: " << offset[i] << ", range: [" << range_min[i] << ", " << range_max[i] << "]" << std::endl;
     }
 }
 
diff --git a/Projector.hpp b/Projector.hpp
index 4dfcd9d..4574d26 100644
--- a/Projector.hpp
+++ b/Projector.hpp
@@ -1,9 +1,5 @@
-#ifndef PROJECTOR_HPP
-#define PROJECTOR_HPP
-
-#include <vector>
-
-#include "Canvas.hpp"
+#ifndef PROJECTOR_HPP
+#define PROJECTOR_HPP
 
 class Canvas;
 
@@ -28,18 +24,18 @@ class Projector{
     void finish_range();
 
 
-    // TODO : Matrix gebruiken voor lineaire afbeelding
-    // TODO : Over kleuren nadenken
-    /*
-        Kleurmodi:
-            -genormalizeerde coordinaten als kleurintensiteit (gebruikt fp canvas)
-            -kleurbanden, dus met een periodieke functie (gebruikt int canvas)
+    // TODO : Matrix gebruiken voor lineaire afbeelding
+    // TODO : Over kleuren nadenken
+    /*
+        Kleurmodi:
+            -genormalizeerde coordinaten als kleurintensiteit (gebruikt fp canvas)
+            -kleurbanden, dus met een periodieke functie (gebruikt int canvas)
     */
     void project(const double * point);
     void plot(const double * point);
-
+
     void output();
-};
-
-#endif // PROJECTOR_HPP
+};
+
+#endif // PROJECTOR_HPP
 
diff --git a/kernels/KernelBasicParameter.hpp b/kernels/KernelBasicParameter.hpp
index 74b07b4..f7cba04 100644
--- a/kernels/KernelBasicParameter.hpp
+++ b/kernels/KernelBasicParameter.hpp
@@ -12,6 +12,10 @@
 
 #include "../AttractorKernel.hpp"
 
+/*
+ This is a partial default implementation of the abstract AttractorKernel class
+ you can easily use the constructor to initialise the parameters and stuff...
+ */
 class KernelBasicParameter : virtual public AttractorKernel {
 private:
 	
diff --git a/kernels/KernelBasicVector.hpp b/kernels/KernelBasicVector.hpp
index 1acbc6e..28c14c3 100644
--- a/kernels/KernelBasicVector.hpp
+++ b/kernels/KernelBasicVector.hpp
@@ -12,6 +12,10 @@
 
 #include "../AttractorKernel.hpp"
 
+/*
+ This is a partial default implementation of the abstract AttractorKernel class
+ you can easily use the constructor to initialise the vectors and stuff...
+ */
 class KernelBasicVector : virtual public AttractorKernel {
 	
 protected:
diff --git a/kernels/Logistic.cpp b/kernels/Logistic.cpp
index 1e97022..0943ab7 100644
--- a/kernels/Logistic.cpp
+++ b/kernels/Logistic.cpp
@@ -7,6 +7,7 @@
 //
 
 #include "Logistic.hpp"
+#include <algorithm>
 
 Logistic::Logistic():
 		KernelBasicParameter(3),
diff --git a/kernels/Lorenz3D.cpp b/kernels/Lorenz3D.cpp
index 1b137d2..43bd02f 100644
--- a/kernels/Lorenz3D.cpp
+++ b/kernels/Lorenz3D.cpp
@@ -1,4 +1,5 @@
 #include "Lorenz3D.hpp"
+#include <algorithm>
 
 Lorenz3D::Lorenz3D():
 		KernelBasicParameter(4),
diff --git a/kernels/Polynomial.cpp b/kernels/Polynomial.cpp
index 7a36259..7c6a9f1 100644
--- a/kernels/Polynomial.cpp
+++ b/kernels/Polynomial.cpp
@@ -7,6 +7,7 @@
 //
 
 #include "Polynomial.hpp"
+#include <algorithm>
 //#include <iostream>
 
 Polynomial::Polynomial():
diff --git a/kernels/PolynomialA3D.cpp b/kernels/PolynomialA3D.cpp
index 9b200ed..8dfeccb 100644
--- a/kernels/PolynomialA3D.cpp
+++ b/kernels/PolynomialA3D.cpp
@@ -7,6 +7,7 @@
 //
 
 #include "PolynomialA3D.hpp"
+#include <algorithm>
 
 PolynomialA3D::PolynomialA3D():
 		KernelBasicParameter(3),
diff --git a/kernels/Unravel3D.cpp b/kernels/Unravel3D.cpp
index e21d6e4..7842475 100644
--- a/kernels/Unravel3D.cpp
+++ b/kernels/Unravel3D.cpp
@@ -1,4 +1,5 @@
 #include "Unravel3D.hpp"
+#include <algorithm>
 #include <cmath>
 
 Unravel3D::Unravel3D():
diff --git a/myMath.hpp b/myMath.hpp
index db88044..73b8524 100644
--- a/myMath.hpp
+++ b/myMath.hpp
@@ -2,7 +2,6 @@
 #define MYMATH_HPP
 
 #include <cmath>
-using namespace std;
 
 bool even(double x) {
     return (((int)floor(x)) % 2 == 0);