spm

update README, get rid of grep -G

diff --git a/README.md b/README.md
@@ -13,6 +13,8 @@ flexible and powerful management tools.
 Refer to the manual page for various examples or read its source code to see
 how it works.
 
+This Fork aims to make it more POSIX compliant, without any major changes to the script.
+
 ----
 
 spm started as [tpm](https://github.com/nmeum/tpm) fork.

diff --git a/spm b/spm
@@ -56,7 +56,7 @@ readpw() {
 }
 
 find() {
-	command find "${STORE_DIR}" -type f -o -type l | grep -Gie "${1}"
+	command find "${STORE_DIR}" -type f -o -type l | grep -ie "${1}"
 }
 
 munge() {