bugfix to allow ajax lookup for diagnostic term to use parentheses; turnaround chart function captues vars as hash not hashref to avoid changing self_url(); turnaround data filename for xl attachment reflects specimen type}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1687 4177bd82-f056-0410-812d-caef170e3fa0