~jaro/balkon

ref: 4ef7aad8fe112d65d4b366f2132c68bb2f054dd5 balkon/src/Data/Text/ParagraphLayout/Span.hs -rw-r--r-- 504 bytes
Remove I8/Int distinction.

The distinction was meant to provide additional type safety, but
inconsistency with other used libraries required too many workarounds
for this to be beneficial.
Implement "plain" interface.
Separate modules.