Fixes #3: Scope loop variable to function
Fixes #3: Scope loop variable to function

The main property file loading loop uses an implicitly declared value
that can result in loading errors if because now the 'i' loop index is a
global variable that may be impacted by other code that (correctly or by
accident) reads/writes to a global i variable.

stonecalvin/jquery-i18n-properties,adrianfish/jquery-i18n-properties,jrondorf/jquery-i18n-properties,adrianfish/jquery-i18n-properties,ramanujadasu/jquery-i18n-properties,jquery-i18n-properties/jquery-i18n-properties,Kasama/jquery-i18n-properties,jrondorf/jquery-i18n-properties,jrondorf/jquery-i18n-properties,alex-bretet/jquery-i18n-properties,Kasama/jquery-i18n-properties,jquery-i18n-properties/jquery-i18n-properties,Kasama/jquery-i18n-properties,stonecalvin/jquery-i18n-properties,ramanujadasu/jquery-i18n-properties,adrianfish/jquery-i18n-properties,ramanujadasu/jquery-i18n-properties,alex-bretet/jquery-i18n-properties,jquery-i18n-properties/jquery-i18n-properties,alex-bretet/jquery-i18n-properties,stonecalvin/jquery-i18n-properties