5.1.21

time difference calculation update -- [time difference calculation update](https://github.com/tamedevelopers/support/commit/195e169368633be594be5913b6e83907c356cfd0)

Full Changelog: 5.1.20...5.1.21

Full Changelog: 5.1.20...5.1.21

5.1.20

Asset config update

5.1.19

Receipt generator path update -- [Receipt generator path update](https://github.com/tamedevelopers/support/commit/196d65ca19a27897ed4cdc594b25df037e8a7c38)

5.1.18

NumberToWords currency pattern update

Changed from using country-iso3 code to standard Currency (iso-4217) code

5.1.17

toDateInt() time method added

5.1.16

ReceiptGenerator class added to create image invoice on the fly

5.1.15

update

5.1.14

is_readable error fix

5.1.13

update