gistfile1.md

##Available

###NSFileManager

• + (NSString *)libraryPath
• + (NSString *)documentsPath
• + (NSString *)cachesPath
• + (NSString *)preferencesPath
• + (NSString *)tmpPath

###NSObject

• - (BOOL)isNULL

NSArray

• - (id)firstObject
• - (BOOL)isEmpty
• - (NSArray *)reverseArray

NSMutableArray

• - (id)firstObject
• - (BOOL)isEmpty
• - (NSMutableArray *)reverseArray

NSDictionary

• - (BOOL)hasKey:(NSString *)key
• - (BOOL)isEmpty

NSString

• - (BOOL)isNotEqualToString:(NSString *)string
• - (BOOL)containsString:(NSString *)string
• - (NSString *)stringBetweenString:(NSString *)start andString:(NSString*)end

NSNumber

• - (NSNumber *)floorNumber
• - (NSNumber *)ceilNumber
• - (NSNumber *)roundNumber
• + (NSNumber *)numberFromString:(NSString *)string
• - (BOOL)isLessThanNumber:(NSNumber *)number
• - (BOOL)isMoreThanNumber:(NSNumber *)number

NSURL

• - (NSString *)stringValue