Added Lots of Documentation

Added some nice to haves
Improved and Unified General Code Layout

MathKit/MPParenthesisFunctionLayout.m

@@ -10,9 +10,12 @@
 
 #import "MPParenthesisFunction.h"
 
+
 #define MPParenthesisFunctionOpeningParensOffset 2
 #define MPParenthesisFunctionClosingParensOffset 0
 
+
+
 @interface MPParenthesisFunctionLayout ()
 
 - (NSBezierPath *)openingParens;
@@ -25,6 +28,8 @@
 
 @end
 
+
+
 @implementation MPParenthesisFunctionLayout
 
 - (MPParenthesisFunction *)parenthesisFunction
@@ -32,6 +37,7 @@
     return (MPParenthesisFunction *)self.function;
 }
 
+
 - (NSBezierPath *)openingParens
 {
     NSBezierPath *parens = [self objectForPrivateCacheIndex:0 generator:^id{
@@ -60,6 +66,7 @@
     return parens;
 }
 
+
 - (NSBezierPath *)closingParens
 {
     NSBezierPath *parens = [self objectForPrivateCacheIndex:1 generator:^id{
@@ -88,6 +95,7 @@
     return parens;
 }
 
+
 - (NSBezierPath *)transformedOpeningParens
 {
     NSBezierPath *parens = self.openingParens.copy;
@@ -95,6 +103,7 @@
     return parens;
 }
 
+
 - (NSBezierPath *)transformedClosingParens
 {
     NSBezierPath *parens = self.closingParens.copy;
@@ -102,6 +111,7 @@
     return parens;
 }
 
+
 - (NSAffineTransform *)parenthesisTransform
 {
     NSAffineTransform *transform = [NSAffineTransform transform];
@@ -110,6 +120,7 @@
     return transform;
 }
 
+
 - (CGFloat)scaleFactor
 {
     NSRect parensBounds = self.openingParens.bounds;
@@ -122,22 +133,25 @@
     return expressionHeight / parensHeight;
 }
 
+
 - (NSPoint)offsetOfChildLayoutAtIndex:(NSUInteger)index
 {
     return NSMakePoint(self.openingParens.bounds.size.width + MPParenthesisFunctionOpeningParensOffset, 0);
 }
 
+
 - (NSIndexPath *)indexPathForLocalMousePoint:(NSPoint)point
 {
-#warning Missing Implementation
     return [NSIndexPath indexPathWithIndex:0];
 }
 
+
 - (NSIndexSet *)indexesOfRemainingChildren
 {
     return [NSIndexSet indexSetWithIndex:0];
 }
 
+
 - (NSRect)generateBounds
 {
     NSRect openingParensBounds = self.transformedOpeningParens.bounds;
@@ -159,6 +173,7 @@
     return bounds;
 }
 
+
 - (void)draw
 {
     NSBezierPath *openingParens = self.transformedOpeningParens;