Fix package name and docs

Signed-off-by: Dusan Borovcanin <[email protected]>

Author: dborovcanin

bit/README.md

@@ -1,15 +1,15 @@
-# stats [![GoDoc](https://godoc.org/github.com/vadv/gopher-lua-libs/bit?bit.svg)](https://godoc.org/github.com/vadv/gopher-lua-libs/stats)
+# stats [![GoDoc](https://godoc.org/github.com/vadv/gopher-lua-libs/bit?bit.svg)](https://godoc.org/github.com/vadv/gopher-lua-libs/bit)
 
 ## Usage
 
 ```lua
-local stats = require("bit")
+local bit = require("bit")
 
 local result, _ = bit.band(1, 0)
 print(result)
 -- Output: 0
 
-local result, _ = stats.lshift(10, 5)
+local result, _ = bit.lshift(10, 5)
 print(result)
 -- Output: 320
 ```

bit/api.go

@@ -1,5 +1,5 @@
-// Package strings implements golang package montanaflynn/stats functionality for lua.
-package stats
+// Package bit implements Go bitwise operations functionality for Lua.
+package bit
 
 import (
 	"fmt"
@@ -19,7 +19,7 @@ const (
 	rs
 )
 
-// ShiftLeft
+// Bitwise returns a Lua function used for bitwise operations.
 func Bitwise(kind op) lua.LGFunction {
 	return func(l *lua.LState) int {
 		if kind > rs {
@@ -49,6 +49,7 @@ func Bitwise(kind op) lua.LGFunction {
 	}
 }
 
+// Not implements bitwise not.
 func Not(l *lua.LState) int {
 	val, err := intToU32(l.CheckInt(1))
 	if err != nil {
@@ -59,12 +60,12 @@ func Not(l *lua.LState) int {
 	return 1
 }
 
-func prepareParams(l *lua.LState) (val, pos uint32, err error) {
-	val, err = intToU32(l.CheckInt(1))
+func prepareParams(l *lua.LState) (val1, val2 uint32, err error) {
+	val1, err = intToU32(l.CheckInt(1))
 	if err != nil {
 		return 0, 0, err
 	}
-	pos, err = intToU32(l.CheckInt(2))
+	val2, err = intToU32(l.CheckInt(2))
 	if err != nil {
 		return 0, 0, err
 	}

bit/api_test.go

@@ -1,9 +1,10 @@
-package stats
+package bit
 
 import (
+	"testing"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/vadv/gopher-lua-libs/tests"
-	"testing"
 )
 
 func TestApi(t *testing.T) {

bit/loader.go

@@ -1,4 +1,4 @@
-package stats
+package bit
 
 import lua "github.com/yuin/gopher-lua"