Console output is broken

[BasicEC]

$ stack exec nitta -- examples/teacup.lua --fsim --format=md -t=fx24.32
| Cycle  |
|:-------|
| 1      |
| 2      |
| 3      |
| 4      |
| 5      |
| 6      |
| 7      |
| 8      |
| 9      |
| 10     |
$ stack exec nitta -- examples/teacup.lua --fsim --format=json -t=fx24.32
[]

Output should be like in README.md

[BasicEC]

@ArturGogiyan I'm not sure that #193 isn't related to this bug. Can you check if the problem is gone after fixing this bug?