PromisedHandler implements getAllSuggestions
PromisedHandler implements getAllSuggestions

Add the implementation of getAllSuggestions to avoid errors when the
resources handler is not completely loaded
Fixes #171

benouat/ariatemplates,divdavem/ariatemplates,simonarbuckle/ariatemplates,vcarle/ariatemplates,simonarbuckle/ariatemplates,fcapa/aria,benouat/ariatemplates,vcarle/ariatemplates,benouat/ariatemplates,fcapa/aria,vcarle/ariatemplates,ymeine/ariatemplates,divdavem/ariatemplates,divdavem/ariatemplates,ymeine/ariatemplates,fbasso/ariatemplates,ariatemplates/ariatemplates,fbasso/ariatemplates,mlaval/ariatemplates,lsimone/ariatemplates,fcapa/aria,mlaval/ariatemplates,lsimone/ariatemplates,simonarbuckle/ariatemplates,mlaval/ariatemplates,ariatemplates/ariatemplates,flongo/ariatemplates,fbasso/ariatemplates,ymeine/ariatemplates,ariatemplates/ariatemplates