fix issue in parsing list-objects output

v0.10

fix bug in scanning list-object output

In-memory catalog with expiration

v0.9

add in-memory catalog with expiration

pull multiple objs at the same time

v0.8

PULL multiple obj at the same time

Enable prefetching

v0.7

edited Design.md

minor fixes

v0.6

Pidfile manipulations

Fix a race condition

v0.5

bug fix in strlock and other cleanups

Minor fixes here and there

v0.4

fix install

Churn churn churn

v0.3

fixes

Reasonably useful

v0.2

check etag and pull files only if more than 2 minutes old

Initial release

v0.1

minor