release v3.0.0

Note part APIs are not compatible when upgrading from v2.0.x to v3.0.x

• Add a context.Context parameter in lock constructor.
• RedLock.SetCache is removed, using redlock.CacheOption instead.
• The time of expirity returned from Lock API is changed from int64 to time.Duration.

release v2.0.3

• Support fast fail when context is canceled during lock acquiring.

release v2.0.2

• Use in-memory key-value cache to cache acquired lock item, which fixes #4
• Refactor Lock API, use time.Duration

release version v1.1.2

• use standard errors lib
• fix data race in test case

release version v1.1.1

• Auto delete element from the KV cache when unlocking a key

release version v1.1.0

1. Add simple kv cache to support concurrent lock acquire
2. UnLock API is changed, add a resource name parameter

v1.0.0

add new redlock unit test

redlock-go v0.3.0

1. use juju errors to record error stack
2. support parsing more redis connection parameters from string
3. code style clean
4. add some unit test cases

v0.2

Add License