Implements the isalpha() String method
Implements the isalpha() String method

Signed-off-by: Ashutosh Saboo <655f922167aeff5f33ff8b8bf85ca9d40be8971e@gmail.com>

ASP1234/voc,pombredanne/voc,gEt-rIgHt-jR/voc,cflee/voc,ASP1234/voc,freakboy3742/voc,pombredanne/voc,cflee/voc,freakboy3742/voc,gEt-rIgHt-jR/voc