experimental module bipack is made pub for test in real projects

src/bipack_sink.rs

@@ -133,10 +133,8 @@ pub trait BipackSink {
     /// unsigned value except that LSB (bit 0) is used as negative number flag (when set,
     /// the encoded number is negative).
     ///
-    /// Note that because of this the range of supported integers is one bit smaller than
-    /// i64, only 30 bits for value and one for a sign. This will probably be fixed later
-    /// but please note that it is impractical to store really big numbers in variable-length
-    /// format, consider using [BipackSink::put_i64] instead, it has no such limitation.
+    /// Note that for really big number using [BipackSink::put_i64] could be more effective
+    /// than the variable-length.
     fn put_signed(self: &mut Self, val: i64) {
         let (neg, val) = if val < 0 { (1, -val) } else { (0, val) };
         self.put_unsigned( (neg as u64) | ((val as u64) << 1) );

src/lib.rs

@@ -117,7 +117,7 @@
 pub mod bipack_source;
 pub mod bipack_sink;
 pub mod tools;
-mod bipack;
+pub mod bipack;
 
 #[cfg(test)]
 mod tests {