Minor cleanup.
Remove length limitation
Remove a hard-coded length
Remove a hard-coded size
alloc on stack
remove more hard-coded lengths
Remove another fixed-size constraint
Max sentence is now 65534
Merge pull request #24 from linas/desub

remove assorted size limitations
Fix a memleak that's been there since 5.1.0
more misc cleanup
Merge pull request #25 from linas/desub

fix memleak that got introduced in 5.1.0