Parallel gzip fails to extract old genesis files.
This revert returns golang native gzip back for genesis import/events import/events export, but keeps parallel gzip for genesis export.
This partialy reverts commit 04905ab5456a55176e4a8de1fbe35afb94215d08 (#131).
Parallel gzip fails to extract old genesis files. This revert returns golang native gzip back for genesis import/events import/events export, but keeps parallel gzip for genesis export.
This partialy reverts commit 04905ab5456a55176e4a8de1fbe35afb94215d08 (#131).