Updated to 1.3.27
Fix a bug in the HashCalculator Command; Make sure the file exists before calling AWS API
Added a message regarding mandatory args
Added the possibility to specify end-point usign region only
Format
Use the regular filename for multipart upload too
Added checksums comparision and output
Fixed typo
Added a note about the part size which needs to be a power of 2
Added file size output
Assure we have a pointer before calling methods