0.2.4

wow! so many changes

new things:

• post editing! ( @CrCrate )
• posts don't need to have blocks to be posted! ( @valknight )

fixed things:

• changed user agent so cloudflare doesn't do a sad ( this is actually fixed in 0.2.3 but i forgot to do a github release for that ) ( @valknight )

code quality:

• removed backports dependency ( @oliviacrain )
• cleaned up unsued imports ( @oliviacrain )