Dynamically add the ASM extensions if they exist
Dynamically add the ASM extensions if they exist

pyca/pynacl,hoffmabc/pynacl,pyca/pynacl,alex/pynacl,pyca/pynacl,alex/pynacl,dstufft/pynacl,reaperhulk/pynacl,xueyumusic/pynacl,reaperhulk/pynacl,ucoin-io/cutecoin,JackWink/pynacl,lmctv/pynacl,lmctv/pynacl,scholarly/pynacl,JackWink/pynacl,xueyumusic/pynacl,hoffmabc/pynacl,lmctv/pynacl,lmctv/pynacl,alex/pynacl,ucoin-io/cutecoin,reaperhulk/pynacl,xueyumusic/pynacl,xueyumusic/pynacl,JackWink/pynacl,dstufft/pynacl,pyca/pynacl,dstufft/pynacl,ucoin-bot/cutecoin,hoffmabc/pynacl,scholarly/pynacl,dstufft/pynacl,JackWink/pynacl,lmctv/pynacl,pyca/pynacl,ucoin-io/cutecoin,scholarly/pynacl,reaperhulk/pynacl,scholarly/pynacl,Insoleet/cutecoin,alex/pynacl,reaperhulk/pynacl