v1.0.2

Changelog

0c69950 Fix nil pointer access in Session.Check()
fab0f9f Gemini v1.0.2
48a2dae Merge pull request #109 from scylladb/backport-timestamping
74944b6 Merge pull request #114 from scylladb/backport-mutate-timestamps
ae7d1c6 Merge pull request #116 from scylladb/backport-terminate-fix
298c011 gemini: JobError timestamp has correct json casing
1362fbf gemini: terminating properly upon an error
9b20522 gemini: timestamped errors
cd23da2 session: explicitly state which system fails a query
3447a98 store: Fix timestamp to be same for test and oracle