1.8.1 / 2017-09-12

- perf: replace regular expression with substring

# 1.8.0 / 2017-02-18

- Use SHA1 instead of MD5 for ETag hashing
  - Improves performance for larger entities
  - Works with FIPS 140-2 OpenSSL configuration

# 1.7.0 / 2015-06-08

- Always include entity length in ETags for hash length extensions
- Generate non-Stats ETags using MD5 only (no longer CRC32)
- Improve stat performance by removing hashing
- Remove base64 padding in ETags to shorten
- Use MD5 instead of MD4 in weak ETags over 1KB

# 1.6.0 / 2015-05-10

- Improve support for JXcore
- Remove requirement of `atime` in the stats object
- Support "fake" stats objects in environments without `fs`

# 1.5.1 / 2014-11-19

- deps: crc@3.2.1
  - Minor fixes

# 1.5.0 / 2014-10-14

- Improve string performance
- Slightly improve speed for weak ETags over 1KB

# 1.4.0 / 2014-09-21

- Support "fake" stats objects
- Support Node.js 0.6

# 1.3.1 / 2014-09-14

- Use the (new and improved) `crc` for crc32

# 1.3.0 / 2014-08-29

- Default strings to strong ETags
- Improve speed for weak ETags over 1KB

# 1.2.1 / 2014-08-29

- Use the (much faster) `buffer-crc32` for crc32

# 1.2.0 / 2014-08-24

- Add support for file stat objects

# 1.1.0 / 2014-08-24

- Add fast-path for empty entity
- Add weak ETag generation
- Shrink size of generated ETags

# 1.0.1 / 2014-08-24

- Fix behavior of string containing Unicode

# 1.0.0 / 2014-05-18

- Initial release