Refactor code refund fix#61

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siemsonSiemson wants to merge 3 commits intoRiskified:refactor_codefrom

siemsonSiemson:refactor_code_refund_fix

Commits on Feb 25, 2020

adding session into private field and update with memo function
siemsonNarson
committed

Commits on Feb 26, 2020

adding csrf-valiadtor plugin
siemsonNarson
committed

Commits on Mar 4, 2020

updated refund endpoint
siemsonNarson
committed