Fix leaks in jv_load_file()
Fix serious bug in handling of --argfile
Merge pull request #157 from nicowilliams/argfile-fixes

Argfile fixes
Add mod (and setmod) operators
Document mod
Add floor operator
Document floor
Fix example in manual for `floor`. See #155.
Fix various UTF8 parsing bugs.

In particular, parse bad UTF8 by replacing the broken bits with U+FFFD
and resychronise correctly after broken sequences.
Reject all overlong UTF8 sequences.
Merge pull request #162 from stedolan/utf8-fixes

Utf8 fixes. Closes #161
Add clearer EOF msg
Fix '.foo$' error
Add '. foo' error
Update suggestion from .["foo"] to ."foo"
Describe 'if' syntax in its errmsg
Add HINT macro