v1.0.0

Changelog
62061fb Initial commit
dadebcf First pass on adding txt record to Route53
9a471ef Work in progress, nothing have been tested yet.
6f8fef7 keygen works for RSA and ECDSA keys, needs testing
4806a69 Adds support for generating different key sizes
7082062 Cleans up code
1b2a180 Adds releasing infrastructure, makes project structure more Go idiomatic
9d2db42 Adds more docs
a2fcf54 Adds missing adjective in docs
f6f2756 Adds registration step in new certificate process
98395f8 Allows generating CSRs with different signature algorithms
20ffa9a Generating new certificates works
0287337 Fixes deleting TXT record after receiving certificate from LE
97586a7 Fixes panic when --bit-size is not provided
aba1f4b Uses concrete interface instead of anonymous one
8d0d338 WIP renewing and revoking certs
f3ecfaa Adds test HTTPS server to manually verify and test generated certificates
dc9dcf2 Moves text to command line instead.
0d0a032 Adds extra clarification in CLI help docs