Added Lots of Documentation

Added some nice to haves
Improved and Unified General Code Layout

MathKit/MPFunctionLayout.m

@@ -8,24 +8,28 @@
 
 #import "MPFunctionLayout.h"
 
-#import "MPExpression.h"
+#import "MPExpressionLayout.h"
+
 #import "MPFunction.h"
-#import "MPSumFunction.h"
+#import "MPFractionFunction.h"
 #import "MPParenthesisFunction.h"
 #import "MPPowerFunction.h"
-#import "MPFractionFunction.h"
+#import "MPSumFunction.h"
 
-#import "MPExpressionLayout.h"
-#import "MPSumFunctionLayout.h"
+#import "MPFractionFunctionLayout.h"
 #import "MPParenthesisFunctionLayout.h"
 #import "MPPowerFunctionLayout.h"
-#import "MPFractionFunctionLayout.h"
+#import "MPSumFunctionLayout.h"
 
 #import "NSIndexPath+MPAdditions.h"
 
+
+
 @implementation MPFunctionLayout
 
 #pragma mark Creation Methods
+
+
 + (MPFunctionLayout *)functionLayoutForFunction:(MPFunction *)function
                                          parent:(MPExpressionLayout *)parent
 {
@@ -43,6 +47,7 @@
                                    parent:parent];
 }
 
+
 - (instancetype)initWithFunction:(MPFunction *)function
                           parent:(MPExpressionLayout *)parent
 {
@@ -53,7 +58,9 @@
     return self;
 }
 
+
 #pragma mark Cache Methods
+
 - (CTLineRef)lineForPrivateCacheIndex:(NSUInteger)index
                             generator:(CTLineRef (^)())generator
 {
@@ -67,6 +74,7 @@
     return (__bridge CTLineRef)(lineObject);
 }
 
+
 - (id)objectForPrivateCacheIndex:(NSUInteger)index
                        generator:(id (^)())generator
 {
@@ -74,11 +82,13 @@
     return [self cachableObjectForIndex:actualIndex generator:generator];
 }
 
+
 - (NSUInteger)numberOfChildren
 {
     return self.function.numberOfChildren;
 }
 
+
 - (MPLayout *)childLayoutAtIndex:(NSUInteger)index
 {
     return [self cachableObjectForIndex:index generator:^id{
@@ -91,11 +101,13 @@
     }];
 }
 
+
 - (BOOL)childAtIndexUsesSmallSize:(NSUInteger)index
 {
     return NO;
 }
 
+
 - (NSIndexPath *)indexPathForMousePoint:(NSPoint)point
 {
     // A single index is used to communicate back wether the
@@ -116,36 +128,43 @@
     return [self indexPathForLocalMousePoint:point];
 }
 
+
 - (NSUInteger)indexOfLeadingChild
 {
     return 0;
 }
 
+
 - (NSUInteger)indexOfTrailingChild
 {
     return 0;
 }
 
+
 - (NSUInteger)indexOfChildBeforeChildAtIndex:(NSUInteger)index
 {
     return NSNotFound;
 }
 
+
 - (NSUInteger)indexOfChildAfterChildAtIndex:(NSUInteger)index
 {
     return NSNotFound;
 }
 
+
 - (NSUInteger)indexOfChildBelowChildAtIndex:(NSUInteger)index
 {
     return index;
 }
 
+
 - (NSUInteger)indexOfChildAboveChildAtIndex:(NSUInteger)index
 {
     return index;
 }
 
+
 - (NSIndexSet *)indexesOfRemainingChildren
 {
     return [NSIndexSet indexSet];