add hook API

Author: 李杰

JJExceptionHookAPI.md

@@ -0,0 +1,84 @@
+
+* NSObject(UnrecognizedSelectorHook)
+
+```
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector;
+- (void)forwardInvocation:(NSInvocation *)anInvocation;
+```
+
+* NSObject(KVOCrash)
+
+```
+- (void) addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath 
+						options:(NSKeyValueObservingOptions)options context:(void *)context;
+- (void) removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath;
+- (void) removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath context:(nullable void *)context;
+```
+
+* NSString
+
+```
++ (NSString*) stringWithUTF8String:(const char *)nullTerminatedCString;
++ (nullable instancetype) stringWithCString:(const char *)cString encoding:(NSStringEncoding)enc;
+- (nullable instancetype) initWithCString:(const char *)nullTerminatedCString encoding:(NSStringEncoding)encoding;
+- (NSString *)substringFromIndex:(NSUInteger)from;
+- (NSString *)substringToIndex:(NSUInteger)to;
+- (NSString *)substringWithRange:(NSRange)range;
+```
+
+* NSMutableString
+
+```
+- (nullable instancetype) safeInitWithCString:(const char *)nullTerminatedCString encoding:(NSStringEncoding)encoding;
+- (void) appendString:(NSString *)aString;
+- (void) insertString:(NSString *)aString atIndex:(NSUInteger)loc;
+- (void) deleteCharactersInRange:(NSRange)range;
+- (NSString *)stringByAppendingString:(NSString *)aString;
+```
+
+* NSArray
+
+```
++ (instancetype) arrayWithObject:(id)anObject;
+- (id) objectAtIndex:(NSUInteger)index;
+- (NSArray<ObjectType> *)subarrayWithRange:(NSRange)range;
+- (id) objectAtIndexedSubscript:(NSInteger)index
+```
+
+* NSMutableArray
+
+```
+- (void) addObject:(id)anObject;
+- (id) objectAtIndex:(NSUInteger)index;
+- (void) insertObject:(id)anObject atIndex:(NSUInteger)index;
+- (void) removeObjectAtIndex:(NSUInteger)index;
+- (void) replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject;
+- (void) removeObjectsInRange:(NSRange)range;
+```
+
+* NSDictionary
+
+```
++ (instancetype) dictionaryWithObject:(id)object forKey:(id)key;
+- (id) objectForKey:(id)aKey;
+```
+
+* NSMutableDictionary
+
+```
+- (void) setObject:(id)anObject forKey:(id)aKey;
+- (void) removeObjectForKey:(id)aKey;
+```
+
+* NSSet
+
+```
++ (instancetype)setWithObject:(id)object;
+```
+
+* NSMutableSet
+
+```
+- (void) addObject:(id)object;
+- (void) removeObject:(id)object;
+```

JJExceptionPrinciple.md

@@ -195,7 +195,7 @@ KVO在以下情况会导致闪退:
 * 保护key不存在的情况
 * 保护重复添加的情况
 
-在开始KVO是采用AssociatedObject释放原理来处理那些忘记keyPath,这里有个问题就是如果开发者重写dealloc，并清理自己的keyPath,会导致AssociatedObject释放时，assgin的类产生野指针，
+在开始KVO是采用AssociatedObject释放原理来处理那些忘记keyPath,这里有个问题就是如果开发者重写dealloc，并清理自己的keyPath,会导致AssociatedObject释放时，target产生野指针.
 
 所以在没找到更好的办法，只能Swizzle dealloc方法，先清理kvo数据，再执行origin dealloc，不过这样就有个细节做不到，无法提示那些keyPath忘记清理.
 

README.md

@@ -160,6 +160,10 @@ func handleCrashException(_ exceptionMessage: String, extraInfo info: [AnyHashab
 }
 ```
 
+> Hook的API列表
+
+[HookAPI](https://github.com/jezzmemo/JJException/blob/master/JJExceptionHookAPI.md)
+
 
 ## TODO(大家记得给我星哦)
 * 收集更多常见异常