Merge pull request #76 from DrDaveD/master

fix rpm syntax error

Merge pull request #73 from DrDaveD/master

add SNI, update to 1.20

Merge pull request #67 from DrDaveD/support-el8

Use python3 on el8, update to 1.19-2

Merge pull request #62 from DrDaveD/master

update to version 1.19

Merge pull request #56 from DrDaveD/dont-reuse-too-many-levels

Update README to 1.18

Merge pull request #50 from DrDaveD/master

update to 1.17

invoke python with -E option for rpm

Merge pull request #47 from DrDaveD/master

fix variable name typo in last version, update to 1.16

Merge pull request #46 from DrDaveD/master

 	fix bug that caused the proxy stored in MyProxy to use the username of previously existing proxy, and update to 1.15

Merge pull request #45 from DrDaveD/master

only accept up to 5 levels of proxies to determine myproxy %certsubject, update to 1.14