Duplicates properties overwrite instead of merging, which is inconsistent with how exhibit loads items.  Revised so that second load will override if attributes are given explicitly in the second occurrence, but will not reset attributes to default values if they are missing in the second occurrence.
Duplicates properties overwrite instead of merging, which is
inconsistent with how exhibit loads items.  Revised so that
second load will override if attributes are given explicitly in
the second occurrence, but will not reset attributes to default values
if they are missing in the second occurrence.

Pike/exhibit,szechyjs/exhibit,szechyjs/exhibit,lmorillas/exhibit,landsurveyorsunited/exhibit,simile-widgets/exhibit,rodrigueswilson/Exhibit1,szechyjs/exhibit,landsurveyorsunited/exhibit,landsurveyorsunited/exhibit,lmorillas/exhibit,simile-widgets/exhibit,Pike/exhibit,karger/exhibit,simile-widgets/exhibit,lmorillas/exhibit,eob/exhibit,simile-widgets/exhibit,cdenise/exhibit,Pike/exhibit,cdenise/exhibit,cdenise/exhibit,szechyjs/exhibit,rodrigueswilson/Exhibit1,eob/exhibit,karger/exhibit,eob/exhibit,Pike/exhibit,karger/exhibit,karger/exhibit,landsurveyorsunited/exhibit,rodrigueswilson/Exhibit1,lmorillas/exhibit,eob/exhibit,rodrigueswilson/Exhibit1,cdenise/exhibit