Merge pull request #5 from Varpie/colors

Adding colors using tput, thanks!

pert

@@ -12,6 +12,11 @@ function _echoB
     _echo "\033[1m$1\033[0m"
 }
 
+red=$(tput setaf 1)
+green=$(tput setaf 2)
+yellow=$(tput setaf 3)
+normal=$(tput sgr0)
+
 function _help
 {
     _echo ""
@@ -42,7 +47,7 @@ function _divider
     printf "%$width.${width}s+\n" "$divider"
 }
 
-readonly format=" | %-12s |%11s |%10s |%12s |%9s |%9s |%9s |\n"
+readonly format=" | %-12s |${green}%11s${normal} |%10s |${red}%12s${normal} |%9s |${yellow}%9s${normal} |%9s |\n"
 function _header
 {
     _echo ""
@@ -53,6 +58,7 @@ function _header
     _divider
 }
 
+
 function pert_table
 {
     _header