Implement FILE_FSTAT properly w/java.nio.file API
Implement erlang:insert_element/3 BIF
Add float_to_{binary,list}/2,3 BIFs
Implement FILE_WRITE_INFO efile command
Add erlang:integer_to_binary/2 BIF
Add erlang:binary_to_existing_atom/2 BIF
Expose EBig.value
Slightly better POSIX/IOException mapping