Performance and Swift improvements

• HeapShot and backtrace recording performance has been improved
• Now with Swift modules support. You can register now for Swift modules

+ (void)addSwiftModulesToRecord:(NSArray <NSString *> *)swiftModules;

• Register multiple class prefixes (ObjC)

+ (void)addClassPrefixesToRecord:(NSArray <NSString *> *)classPrefixes;

• Some bug fixes and clean ups