Pyallel

- 71740c8 fix: allocate remaining lines if any are leftover

- 93a34e7 docs: fix example --help output
- c9ad66d fix: allocate more lines to processes with more output (4)

- 433e41a fix: always allocate remaining lines to processes
- 46301f2 fix: round line modifier values to 2 places

- d544b0d perf: don't flush command output by default
- d8a880c feat: add command lines modifier
- d34477e fix: only print command output if it has lines

- f84a49a fix: truncate command statusline
- de8172d refactor: separate printing and data handling functionality (3)

- fix: accidental overwrite of process output with empty string d9d9513