lxml-4.2.6

Prepare release of lxml-4.2.6.

lxml-4.2.5

Update for lxml-4.2.5.

lxml-4.2.4

Update to latest.

lxml-4.2.3

Actually build the lxml 4.2 release branch instead of master.

lxml-4.2.2

Update to lxml 4.2.2

lxml-4.2.1

Update to lxml 4.2.1

lxml-4.2.0

Enable LTO also for MacOS builds.

lxml-4.1.1

Update to 4.1.1

lxml-4.1.0

update subrepos to latest

lxml-4.0.0

Update subrepos to latest.