v0.2.3

Upped the hashing algo used for generating checksums.

v0.2.2

Changelog excerpt:

- Improved signature file optimisation to reduce signature file footprint
  and to filter out some more possibly problematic signatures.

v0.2.1

Changelog excerpt:

- Added some code to simplify some of the syntax normally used by ClamAV
  signatures, and added some code to remove some specific signatures during
  the signature file generation process that can otherwise sometimes trip
  up PCRE during the scan process.

v0.2.0

Prepare tagged release.