Minor Grammar in Readme

Hello,

Wanted to flag minor grammar stuff in latest readme update.

1. Change exists to exist;
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String – Update – Added an ignore if user doesn’t exists when importing files.
Should be – Update – Added an ignore if user doesn’t exist when importing files.

2. Change handle to handled;
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String – Update – Changed the way sessions are handle.
Should be – Update – Changed the way sessions are handled.

3. Change sanitation to sanitization;
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String – Update – Updated the way sanitation for arrays are handled.
Should be – Update – Updated the way sanitization for arrays is handled.

All the best,
Cheers