Updated cpr to 1.9.2

Updated the version number to 1.9.1

Merge pull request libcpr#787 from libcpr/put_read_callback

Workaround for PUT requests with a read callback

Updated version to 1.8.4

Updated version number to 1.8.3

Updated cpr version to 1.8.2

Updated version to 1.8.1

Fix overwriting of ca bundle (libcpr#717)

* Fix overwriting of ca bundle

Version from 1.8.0 to 1.7.2

Fixed Download() not setting header