fix: updated islazy to 1.9.1 (fixes #360)

Gopkg.lock

@@ -59,7 +59,7 @@
   revision = "f58a169a71a51037728990b2d3597a14f56b525b"
 
 [[projects]]
-  digest = "1:b44604e0c8da17e780203bfd9388d65db31d4ee039347ea92788412e7737a08c"
+  digest = "1:495dc25bbfe6025e945e3efe885801fc1aefc33d835cac453c0e36a35693d839"
   name = "github.com/evilsocket/islazy"
   packages = [
     "data",
@@ -71,8 +71,8 @@
     "zip",
   ]
   pruneopts = "UT"
-  revision = "be7e564817af1379a350998577006745039f599f"
-  version = "v1.9.0"
+  revision = "3d8400c74f9dbc626d913e0575cda05d914bea57"
+  version = "v1.9.1"
 
 [[projects]]
   branch = "master"

Gopkg.toml

@@ -25,7 +25,7 @@
 #   unused-packages = true
 [[constraint]]
   name = "github.com/evilsocket/islazy"
-  version = "1.9.0"
+  version = "1.9.1"
 
 [[constraint]]
   branch = "master"

session/module.go

@@ -109,7 +109,6 @@ func (m SessionModule) IntParam(name string) (error, int) {
 	}
 }
 
-
 func (m SessionModule) DecParam(name string) (error, float64) {
 	if p, found := m.params[name]; found {
 		if err, v := p.Get(m.Session); err != nil {

vendor/github.com/evilsocket/islazy/fs/misc.go

@@ -14,6 +14,9 @@ var (
 
 // Expand will expand a path with ~ to a full path of the current user.
 func Expand(path string) (string, error) {
+	if path == "" {
+		return path, nil
+	}
 	usr, err := user.Current()
 	if err != nil {
 		return "", err