Add PayPal sdk to composer
Fix code style
Add INSTALLMENT constants to Loan model
Remove installment_amount column
Rename period to installment_count
Improve Loan::calculateExtraDays
Rename amount to native_amount in instalments table
Add LoanService::generateLoanInstallments
Update LoanService::disburseLoan
Rename disbursed_amount to native_disbursed_amount
Add Paypal Notifications
Add Paypal Transactions
Add routes for Paypal payment processing
Add Paypal service class
Add Paypal Exceptions.
Fix Loan::getNativeRegistrationFee
Add custom greaterThan validator
Add paymentFrom
Change Paypal Namespace
Remove obsolete setter/getter