some assorted improvements
[Issue tigertext/autocomplete#109] First naïve and untested implementation
[Issue tigertext/autocomplete#109] First Tested Version, still not benchmarked, but promising
[Issue tigertext/autocomplete#109] 100% Coverage
Update rebar.config
[Issue tigertext/autocomplete#109] Benchmarking too
Merge pull request #30 from inaka/elbrujohalcon.filters

Issue tigertext/autocomplete#109: Now you can "filter" your queries using cache
Trace Level
Better benchmarking for filters
Merge pull request #31 from inaka/elbrujohalcon.assorted.improvements

Assorted Improvements
Fix for latest changes
No Warning needed
helper
[Fixes tigertext/autocomplete#116] Too long queries
[Issue tigertext/autocomplete#117] Descending sort
Merge pull request #33 from inaka/elbrujohalcon.long.queries

[Fixes tigertext/autocomplete#116] Too long queries
Merge pull request #34 from elbrujohalcon/elbrujohalcon.desc.sorting

[Issue tigertext/autocomplete#117] Descending sort
Preventing empty filters
Merge pull request #35 from inaka/elbrujohalcon.empty.filters

Preventing empty filters
Issue tigertext/autocomplete#119: Unicode support was broken