v1.14.6: Merge pull request #1494 from 0chain/fix/save-progress

add opt for save progress

v1.14.5: Merge pull request #1493 from 0chain/hotfix/wm-timestamp

fix wm timestamp

v1.14.4: Merge pull request #1490 from 0chain/hotfix/encrypt-buf

fix buf size for write

v1.14.3: Merge pull request #1488 from 0chain/hotfix/pause-msg

fix err msg for pause upload

v1.14.2: Merge pull request #1487 from 0chain/hotfix/empty-repair

skip download for empty file

v1.14.1: Merge pull request #1486 from 0chain/hotfix/reader-seek

fix content seek in wasm

v1.14.0: Merge pull request #1485 from 0chain/sprint-1.14

Sprint 1.14

v1.13.8

hotfix: fixed mint signature decoding

v1.13.7: Merge pull request #1437 from 0chain/hotfix/clear-map

clear buffer and buffer map

v1.13.6: Merge pull request #1438 from 0chain/hotfix/upload-worker

set upload workers to 1 in wasm