Search feature does not follow color_theme1 and color_theme1 colours

When using the search feature, colours printout is not base on color_theme1 and color_theme2 variables. This release will fix this colour change issue.

v1.7.0

Allow persistent colour theme changes by declaring variable.

Example is to add below 2 lines to .bashrc or .profile or .bash_profile.
export color_theme1=cyan
export color_theme2=yellow

slist will read this variable and determine the colours with this variables.
If both variable not declare, default colours will be use.

v1.6.0

1. Color scheme for slist can be change by changing the variable below.

slist color template (Change this to change slist output colors)
color1="$blue"
color2="$pink"

2. Parameter change from —config-file to —file

v1.5.0

• Added a new --init option to initialise a template SSH config file
• Fixed a bug where you have 2 SSH config files with same Host entry but different IP addresses and when choosing the server to connect to using the --config-file option, it connects to the wrong IP address

v.1.4.1

Fixes:
when --config-file when empty throwing wrong error and wrong outputs.
-e not working correctly with --config-file

v1.4.0

New features:
--config-file < config file > allow slist to read other config file instead of default ~/.ssh/config
-e allow opening and editing of config file

v1.3.1

HostName field in ~/.ssh/conf can actually work with small cap hostname. v1.3.1 fixed listing issue when HostnName field is in small cap. v1.3.1 listing will be non case sensitive.

v1.3.0

• Add options to add and delete a host from the SSH config file

v1.2.2

Merge pull request #19 from GovTechSG/add-file-check

added config file existence check with red warning

v1.2.1

Fixed issue #11