update changelog for release 0.0.15
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+# 0.0.15 - use a file system lock when merging pact files
+
+* 9976e80 - feat: added read locks and a mutex guard to reading and writing pacts (Ronald Holshausen, Mon Feb 8 11:58:52 2021 +1100)
+* 49a3cf2 - refactor: use bytes crate instead of vector of bytes for body content (Ronald Holshausen, Sun Feb 7 14:43:40 2021 +1100)
+* e43fdb8 - chore: upgrade maplit, itertools (Audun Halland, Mon Jan 11 05:30:10 2021 +0100)
+* cbd61b3 - bump version to 0.0.15 (Ronald Holshausen, Mon Jan 11 10:16:18 2021 +1100)
+
# 0.0.14 - Updated dependencies
* 5e5c320 - chore: upgrade rand, rand_regex (Audun Halland, Sat Jan 9 09:33:13 2021 +0100)
