Rewrite SimpleString::StrCmp()
Remove unreachable code
@terryyin's solution
@terryyin's solution applied to StrNCmp()
Simpler and more like StrCmp()
Merge pull request #392 from arstrube/strcmp3

Rewrite SimpleString::StrCmp() (3)
Merge pull request #391 from arstrube/atoi

Simplify return for AtoI()
strncmp corner case
n can be 1 as well\!
Merge pull request #393 from terryyin/master

strncmp corner case
SimpleString::ToLower()
Rename toLower() lowerCase() to avoid confusion