Add `array_get` utility function
Remove php notices from borrower registration form
Add missing columns to loanapplic schema
Add loan_categories table, loan_category_id column
Use string instead of (undefined) constants
Add missing dollar sign
Fix $grace definition

$grace used before it was defined
Small fix
Fix input values in borrower registration form
Add ->getLoanCategories
Add category to loan application/edit form
Add $loan_category_id, $country_code argument to getOpenBorrowers
Add sort by country, loan category on Lend page

See #72
Update #sort-bar style