add more tests and fixed more glitches

src/commonMain/kotlin/net.sergeych.bintools/DataSink.kt

@@ -23,10 +23,10 @@ interface DataSink {
         for(d in data) writeByte(d)
     }
 
-    fun writeVarUInt(value: UInt) { Varint.encodeUnsigned(value.toULong())}
-    fun writeVarInt(value: UInt) { Varint.encodeSigned(value.toLong())}
-    fun writeSmartUInt(value: UInt) { Smartint.encodeUnsigned(value.toULong())}
-    fun writeSmartInt(value: UInt) { Smartint.encodeSigned(value.toLong())}
+    fun writeVarUInt(value: UInt) { Varint.encodeUnsigned(value.toULong(), this)}
+    fun writeVarInt(value: UInt) { Varint.encodeSigned(value.toLong(), this)}
+    fun writeSmartUInt(value: UInt) { Smartint.encodeUnsigned(value.toULong(), this)}
+    fun writeSmartInt(value: UInt) { Smartint.encodeSigned(value.toLong(), this)}
 }
 
 inline fun <reified T:Any>DataSink.writeNumber(value: T) {

src/commonMain/kotlin/net.sergeych.bintools/simple_codecs.kt

@@ -112,6 +112,7 @@ fun ByteArray.toDumpLines(wide: Boolean = false): List<String> {
         }
         val remainder = from % lineSize
         if (remainder > 0) {
+            if( remainder < lineSize/2) b.append(' ')
             var cnt = lineSize - remainder
             while (cnt-- > 0) b.append(' ')
         }

src/commonMain/kotlin/net.sergeych.bipack/BipackDecoder.kt

@@ -60,7 +60,7 @@ class BipackDecoder(val input: DataSource, var elementsCount: Int = 0,val isColl
         var count = descriptor.elementsCount
         for (a in descriptor.annotations) {
             if (a is Extendable)
-                count = source.readSmartUInt().toInt()
+                count = source.readVarUInt().toInt()
             else if (a is Framed) {
                 val code = CRC.crc32(descriptor.serialName.encodeToByteArray())
                 // if we fail to read CRC, it is IO error, so DataSource.EndOfData will be

src/commonMain/kotlin/net.sergeych.bipack/BipackEncoder.kt

@@ -73,7 +73,7 @@ class BipackEncoder(val output: DataSink) : AbstractEncoder() {
                     CRC.crc32(descriptor.serialName.encodeToByteArray())
                 )
             } else if (a is Extendable) {
-                sink.writeSmartUInt(descriptor.elementsCount.toUInt())
+                sink.writeVarUInt(descriptor.elementsCount.toUInt())
             }
         }
         return BipackEncoder(sink)