fixed objClass initialization in ObjInt.Zero, added Buffer.toBitInput, minimal descrription of Lynon

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/Obj.kt

@@ -85,13 +85,15 @@ open class Obj {
         name: String,
         args: Arguments = Arguments.EMPTY,
         onNotFoundResult: Obj?=null
-    ): Obj =
-        objClass.getInstanceMemberOrNull(name)?.value?.invoke(
+    ): Obj {
+        return objClass.getInstanceMemberOrNull(name)?.value?.invoke(
             scope,
             this,
-            args)
+            args
+        )
             ?: onNotFoundResult
             ?: scope.raiseSymbolNotFound(name)
+    }
 
     open suspend fun getInstanceMethod(
         scope: Scope,

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjBuffer.kt

@@ -24,6 +24,7 @@ import net.sergeych.bintools.encodeToHex
 import net.sergeych.bintools.toDump
 import net.sergeych.lyng.Scope
 import net.sergeych.lyng.statement
+import net.sergeych.lynon.BitArray
 import net.sergeych.lynon.LynonDecoder
 import net.sergeych.lynon.LynonEncoder
 import net.sergeych.lynon.LynonType
@@ -200,6 +201,9 @@ open class ObjBuffer(val byteArray: UByteArray) : Obj() {
                     thisAs<ObjBuffer>().byteArray.toByteArray().toDump()
                 )
             }
+            addFn("toBitInput") {
+                ObjBitBuffer(BitArray(thisAs<ObjBuffer>().byteArray, 8))
+            }
         }
     }
 }

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjInt.kt

@@ -62,7 +62,7 @@ class ObjInt(var value: Long, override val isConst: Boolean = false) : Obj(), Nu
 
     override fun toString(): String = value.toString()
 
-    override val objClass: ObjClass = type
+    override val objClass: ObjClass by lazy { type }
 
     override suspend fun plus(scope: Scope, other: Obj): Obj =
         if (other is ObjInt)