0.1.2+1.21

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Added a new result entry type for expandable results (Minenash, #6)
Documentation will be updated to add this new entry type, but for now you can look at the javadoc.
Added an optional (disabled by default) counter showing the amount of results returned (Minenash, #7)
Result entries can now define a custom prefix to use instead of the source extension's name (Minenash, #8)