Feature: gather short scaffolds

DREAM-Stellar v2

Fix: subvector out of bounds

Feature: gapped k-mers

Fix: hashmap memory error

Feature: threshold deduction

DREAM-Stellar v1

Valik prefilter version 1.0.0

Merge pull request #16 from eseiler/feature/file_input

[FEATURE] Accept file containing bin paths

Merge pull request #10 from eseiler/fix/less_filehandles

[FIX] Reduce number of concurrently open files