correct singual usage of type in elgg_get_entities_* functions
correct singual usage of subtype in elgg_get_entities_* functions
correct singual usage of type in elgg_get_entities_* functions - found
more bad usage
better usage of 'limit' in cases where this is irrelevant
Merge pull request #398 from jeabakker/#4880

#4880 - incorrect usage of elgg_get_entities_* parameters