v4

9d0884b add manual frame selection. close #4
e30593a README: update dependencies, rewording
bdc26b0 fix pretty timestamp with millis + add tests for that + fix case where timestamp could look like 00:27.100 (floor instead of round the centis/millis) + do not measure coverage on startup script
df0abc6 accurate metadata text wrapping (recompute for each line after split)
9897f1b add unit tests
b83527a stop testing with python 3.2
c9557a4 fix readme formatting