now login have next parameter
redirect new user to job he wisited

If not registered user clicks login or register link, after he will be
redirected back to job
redirect to next after registration
changed search to GET

changed search to GET;
added some variable checks;
code
refractoring for search method
just removed empty line
code refractoring

code refractoring for create_job method
updated balance related methods

All balance relaited methods now in Balance module