Improve methods with default params in definition and inside of the function.
Improve methods with default params in definition and inside of the function.

goktugyil/EZSwiftExtensions,goktugyil/EZSwiftExtensions,astrokin/EZSwiftExtensions,kirakik/EZSwiftExtensions,piv199/EZSwiftExtensions,piv199/EZSwiftExtensions,kirakik/EZSwiftExtensions,astrokin/EZSwiftExtensions