Add capability to do exact identifier searches
Record unlowered names in db, to support exact searches
A couple minor corrections
Don't require '.' in the module name
Expose a queryExact method, for creating exact queries
Support qualified exact identifier lookups
Remove the ValueItem distinction
Merge pull request #8 from jwiegley/exact

Add support for doing exact searches (search --exact)
Added missing pattern match
Merge remote-tracking branch 'upstream/master' into more-exact
Merge pull request #9 from fpco/more-exact

Allow exact matching to specify the exact kind of entity to match against as well
When search exactly, +Module must match also exactly
Merge pull request #10 from fpco/more-exact

When search exactly, +Module must match also exactly
Guard against a null list
Merge branch 'master' into sqlite

Conflicts:
	src/Hoogle.hs
	src/Hoogle/DataBase/Items.hs
	src/Hoogle/Type/Item.hs