Improves documentation (#13)

* Documents all env variables and adds an example project

* Adds godoc comments

* Fixed package naming issue

text/html.go

@@ -0,0 +1,24 @@
+package text
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// Nl2Br converts \n to HTML <br> tags
+func Nl2Br(s string) string {
+	return strings.Replace(s, "\n", "<br>", -1)
+}
+
+// LinkToHTMLLink converts regular links to HTML links
+func LinkToHTMLLink(s string) string {
+	s = strings.Replace(s, "\n", " \n ", -1)
+	for _, p := range strings.Split(s, " ") {
+		u, err := url.ParseRequestURI(p)
+		if err == nil && u.Scheme != "" {
+			s = strings.Replace(s, p, fmt.Sprintf("<a href=\"%s\">%s</a>", p, p), 1)
+		}
+	}
+	return strings.Replace(s, " \n ", "\n", -1)
+}