Remove existing circuit breaker

Breaking change: we have removed the circuit breaker from connection attempts. Consumers should now implement this externally.

• Merge pull request #43 from bbc/IPLAYER-45836-cache-circuit-breaker fd6a1ca
• chore: removed unused function ca9afc6
• chore: remove levee dependency f2f4065
• feat: remove unnecessary circuit breaker 09f2fd8

v4.4.0...v5.0.0

v4.4.0

• IPLAYER-45548: Replace cache key package version with schema version (#42) 3ec280d

The cache key now uses a specific cache version which is separate from the library version. Details included in the readme.

v4.3.1...v4.4.0

v4.3.1

• chore: update dependencies ab433f9

v4.3.0...v4.3.1

v4.3.0

• IPLAYER-43441 Add default TTL option (#41) f6b3f5b

v4.2.2...v4.3.0

v4.2.2

• http-transport peer dependency allows v3 OR v4 eedbd88

v4.2.1...v4.2.2

v4.2.1

• http-transport peer dependency allows v3 and v4 caacbcc
• adds npmignore file 6482138

v4.2.0...v4.2.1

v4.2.0

• upgrade http-transport, removes coverage badge ca38234
• update to http-transport v4 e2fb633

v4.1.0...v4.2.0

v4.1.0

Improve logging

• Merge pull request #40 from syke80/41704-improve-error-log-messaging 83562f7
• Improve error log messaging for http-transport-cache f4f01ff

v4.0.3...v4.1.0

v4.0.3

• add bluebird as a dependency c933b2a

v4.0.2...v4.0.3

v4.0.2

• Task: Add github links to package.json 2e3a7ee

v4.0.1...v4.0.2