Fixed negative pages & Added params to paginationHelper & cleanup of code

[twickstrom]

Was producing negative page links.

params options include:

paginationClass (String): class name for bootstrap(like) pagination
div. Default: pagination

first (String): Text for first pager. Default: ← First

last (String): Text for last pager. Default: Last →

previous (String): Text for previous pager. Default: ← Previous

next (String): Text for next pager. Default: Next →

[twickstrom]

In the view you can:

<%- paginate(clients, 3, {
paginationClass: 'pagination pagination-centered',
next: '>',
last: '>>',
first: '<<',
prev: '<'
}) %>

OR

<%- paginate(clients, {
paginationClass: 'pagination pagination-centered',
next: '>',
last: '>>',
first: '<<',
prev: '<'
}) %>