v1.8.1 Fixed bug in Retry::backoffType function

What's Changed

• Update README.md by @ilyakharev in #91
• Fixed bug, when function Retry::backoffType always return SlowBackoff by @ilyakharev in #93

Full Changelog: v1.8.0...v1.8.1

v1.8.0

What's Changed

• Add simple logger by @ilyakharev in #86
• Fix key name in createTable function by @ilyakharev in #88
• Fix exception on re-create server nodes by @ilyakharev in #87
• Update destructor in MemorySessionPool.php by @ilyakharev in #90

Full Changelog: v1.7.0...v1.8.0

v1.7.0 added environment credentials

• added environment credentials

Full Changelog: v1.6.0...v1.7.0

v1.6.0 Added retry function

What's Changed

• Check support data types by @ilyakharev in #75
• Added OptionalType for prepared quere by @ilyakharev in #79
• Fixed crash when getting an empty list in QueryResult by @ilyakharev in #80
• Added retry function by @ilyakharev in #63

Full Changelog: v1.5.6...v1.6.0

v1.5.6 Add support of php 7.2

What's Changed

• Add support of php 7.2 by @ilyakharev in #76

Full Changelog: v1.5.5...v1.5.6

v1.5.5 Fix IamAuth and saveToken function

What's Changed

• Update saveToken function by @ilyakharev in #68
• Add examples from repository by @ilyakharev in #69
• Fix IamAuth.php by @ilyakharev in #70

Full Changelog: v1.5.4...v1.5.5

v1.5.4 Fix JWT authentication

What's Changed

• Fix JWT token by @ilyakharev in #67

Full Changelog: v1.5.3...v1.5.4

Fixed error with null query id in prepared statements

What's Changed

• Removed query id in prepare statement by @ilyakharev in #60

Full Changelog: v1.5.2...v1.5.3

1.5.2 Fixed refresh token

v1.5.2

Update CHANGELOG.md