Properly extract .tobj entries in HashFS v2

Add HashFS v2 support

Allow passing multiple paths

Fix UTF-8 paths not being extractable (#2)

Handle duplicate offsets; catch ZlibException (#2)

Add --paths parameter (#1)

Merge branch 'master' of https://github.com/sk-zk/Extractor

Add --skip-existing flag

Publish as single file

Fix message