As discussed in the issue linked below, the template engine needed to be
changed for various reasons. After a long search, it has been decided to
use TinyTemplate since it is the best match so far.
fixes#8
The part of code that are specific to OpenSSL are now included only if
the openssl feature is activated. The generic parts of code included in
OpenSSL specific files has been moved out.
`reqwest` is a very good crate, however ACMEd does not require most of
its functionalities. For this job, `attohttpc` is also great and comes
with much less dependencies.
rel #1
The previous HTTP back-end was tightly coupled with the threads, which
was very inconvenient. It is now completely decoupled so a new threading
model may be implemented.