update go to 1.13

Signed-off-by: bblfsh-release-bot <[email protected]>

fix varargs in python 2 files; fixes bblfsh#199

Signed-off-by: Denys Smirnov <[email protected]>

update sdk to 3.2.4

Signed-off-by: bblfsh-release-bot <[email protected]>

split import paths; also fix issues with relative-only paths

Signed-off-by: Denys Smirnov <[email protected]>

switch to go modules

Signed-off-by: Denys Smirnov <[email protected]>

update the fixture and remove empty noops

Signed-off-by: Denys Smirnov <[email protected]>

update sdk version

Signed-off-by: Denys Smirnov <[email protected]>

update sdk version

Signed-off-by: Denys Smirnov <[email protected]>

Merge pull request bblfsh#179 from juanjux/fix_sdk

Updates to build with the latest SDK

Merge pull request bblfsh#180 from juanjux/fix_177

Correctly handle python2 kwargs