Added in check to prevent historylink handler being called when loaddata is happening.
Added in check to prevent historylink handler being called when loaddata is happening.

dan-gamble/cms,danielsamuels/cms,jamesfoley/cms,dan-gamble/cms,etianen/cms,danielsamuels/cms,lewiscollard/cms,lewiscollard/cms,danielsamuels/cms,etianen/cms,lewiscollard/cms,jamesfoley/cms,etianen/cms,dan-gamble/cms,jamesfoley/cms,jamesfoley/cms