Code cleaning, update Readme

char.go

@@ -0,0 +1,44 @@
+package figlet4go
+
+import (
+	"errors"
+	"strings"
+	"github.com/fatih/color"
+)
+
+type AsciiChar struct {
+	// Slice with the lines of the Char
+	Lines []string
+	// Color of the char
+	Color color.Attribute
+}
+
+func NewAsciiChar(font *font, char rune) (*AsciiChar, error) {
+	// If not ascii, throw an error
+	if char < 0 || char > 127 {
+		return nil, errors.New("Not Ascii")
+	}
+
+	height := font.height
+	beginRow := (int(char) - 32) * height
+
+	lines := make([]string, height)
+
+	for i := 0; i < height; i++ {
+		row := font.fontSlice[beginRow + i]
+		row = strings.Replace(row, "@", "", -1)
+		row = strings.Replace(row, font.hardblank, " ", -1)
+		lines[i] = row
+	}
+
+	return &AsciiChar{Lines: lines}, nil
+}
+
+// Return a line of the char as string with color if set
+func (char *AsciiChar) GetLine(index int) string {
+	if char.Color != 0 {
+		colorFunc := color.New(char.Color).SprintFunc()
+		return colorFunc(char.Lines[index])
+	}
+	return char.Lines[index]
+}