v2.3.3: fix fetching content info

fix fetching content info (#27)

v2.3.2: fix self-pinging

fix self-pinging (#24)

v2.3.1: partial response

fix headers for partial response

v2.3.0: cache limits

Add limits for cache (total size, total count, unlimited)

v2.2.0: seeking video

allow to seek video in any position and fix streaming while caching

v2.1.4

fix available cache percents callback

v2.1.3

ping proxy after starting to make sure it works fine

v2.1.2

fix offline work

v2.1.1

• fix for too long cache file name
• url redirects support (thanks ongakuer for PR)

v2.0.9

• simpler api
• single cache for multiple clients
• cache file name policy
• more powerful listener
• more samples
• less log flood