diff --git a/zrep b/zrep
index 70984c2..53e4aac 100755
--- a/zrep
+++ b/zrep
@@ -4,7 +4,7 @@ setopt extendedglob
 
 VERSION="0.0.2" # Sat-2024-03-13
 ZREP="Zsh Repository Tool"
-# Define the path to .zreprc
+# Define the default path to .zreprc
 ZREP_CONFIG="${HOME}/.zreprc"
 
 function zrep_fpath() {
@@ -27,7 +27,7 @@ function zrep_fpath() {
 zrep_fpath ${HOME}/.zrep/functions
 autoload -Uz zini
 
-# List of colors available
+# Define a list of colors available to use in themes
 typeset -A base_colors=(
     [green]="\033[0;32m"
     [yellow]="\033[1;33m"
@@ -71,10 +71,6 @@ zrep_load_theme() {
     theme_file="${config[main_zrep_install_dir]}/themes/classic"
   fi
 
-  # Clear previous theme settings
-  #unset current_theme
-  #declare -gA current_theme
-
   # Source the theme file, which should define 'theme_colors'
   source "$theme_file"
 
@@ -82,7 +78,6 @@ zrep_load_theme() {
   for key value in ${(kv)theme_colors}; do
     current_theme[$key]="$value"
   done
-  # print -l ${(kv)current_theme}
 }
 
 function zrep_main_version_string() {
@@ -97,10 +92,12 @@ function zrep_version() {
   exit
 }
 
+# This function is used to display messages and use colors
+# from the loaded theme.
 function zrep_msg() {
     local msg_type="$1"
     local message="$2"
-    local color="${base_colors[end]}" # Default color
+    local color="${base_colors[end]}" # Default color is NONE
 
     # Retrieve the color key from the current theme
     local theme_color_key="${current_theme[$msg_type]}"
@@ -116,11 +113,44 @@ function zrep_msg() {
     printf "%b\n" "${color}${message}${base_colors[end]}"
 }
 
+# Function to check if a given string exists in ~/.zshrc
+function zrep_find_string() {
+  local searchString="$1"
+  local found=0
+
+  while IFS= read -r line || [[ -n $line ]]; do
+    if [[ "$line" == *"$searchString"* ]]; then
+      found=1
+      break
+    fi
+  done < "${HOME}/.zshrc"
+
+  echo $found
+}
+
+function zrep_check_for_deps() {
+    # Array of required external programs
+    local required_programs=('jq')
+
+    # Iterate over the array
+    for program in "${required_programs[@]}"; do
+        # Check if the program is available in the system's PATH
+        if ! command -v "$program" &> /dev/null; then
+            # Program not found, display a message
+            echo "Required program not found: $program"
+        fi
+    done
+}
+
+# The first step after downloading zrep.
+# Here we create the default file and directory structure
 function zrep_init() {
     local zshrc_file="${HOME}/.zshrc"
-    local addons_file="${HOME}/.zrep_addons"
+    local zrep_addons="${HOME}/.zrep_addons"
     local install_dir
 
+    zrep_check_for_deps
+
     # Check if .zreprc exists
     if [[ ! -f ${ZREP_CONFIG} ]]; then
         echo "${ZREP_CONFIG} not found. Creating it..."
@@ -130,11 +160,12 @@ function zrep_init() {
 
         # Write to .zreprc
         cat > "${ZREP_CONFIG}" <<EOF
-        [main]
-        zrep_install_dir = ${install_dir}
+[main]
+zrep_install_dir = ${install_dir}
 
-        [global]
-        repo_url = https://kekepower.com/zrep
+[global]
+repo_url = https://kekepower.com/zrep
+theme = classic
 EOF
     else
         echo "Loading configuration from ${ZREP_CONFIG}"
@@ -142,23 +173,23 @@ EOF
         install_dir=${config[main_zrep_install_dir]}
     fi
 
-    mkdir -p "${install_dir}/functions/zini"
-    curl -s https://raw.githubusercontent.com/kekePower/zini/main/zini -o "${install_dir}/functions/zini/zini"
-    if ! grep -q "zini" "${zshrc_file}"; then
+    if [[ $(zrep_find_string zini) -eq 0 ]]; then
+        mkdir -p "${install_dir}/functions/zini"
+        curl -s https://raw.githubusercontent.com/kekePower/zini/main/zini -o "${install_dir}/functions/zini/zini"
         echo "Adding 'zini' path to fpath in ${zshrc_file}"
         echo "fpath=(${install_dir}/functions/zini \$fpath)" >> ${zshrc_file}
     fi
 
     # Check if .zshrc already sources .zrep_addons, if not, add it
-    if ! grep -q "source ${addons_file}" "${zshrc_file}"; then
+    if [[ $(zrep_find_string "source ${zrep_addons}") -eq 0 ]]; then
         echo "Adding source command for .zrep_addons to .zshrc..."
-        echo "source ${addons_file}" >> "${zshrc_file}"
+        echo "source ${zrep_addons}" >> "${zshrc_file}"
     fi
 
     # Create or update the .zrep_addons file
-    if [[ ! -f ${addons_file} ]]; then
-        echo "Creating file ${addons_file}..."
-        cat > "${addons_file}" <<EOF
+    if [[ ! -f ${zrep_addons} ]]; then
+        echo "Creating file ${zrep_addons}..."
+        cat > "${zrep_addons}" <<EOF
 # Source the .addons file from the zrep installation directory
 source "${install_dir}/.addons"
 
@@ -421,6 +452,10 @@ function zrep_check_for_updates() {
         fi
     done
 
+    if [[ ${updates} == "false" ]]; then
+        zrep_msg info "\nNo updates found."
+    fi
+
 }
 
 function zrep_update_package() {
@@ -455,8 +490,6 @@ function zrep_update_package() {
                 local install_pkg="${author}/${script}"
                 zrep_install_package u ${install_pkg}
             done
-        else
-            zrep_msg info "\nNo updates found."
         fi
     fi
 }
@@ -469,13 +502,13 @@ function zrep_download_package() {
     local attempt=1
 
     while (( attempt <= retries )); do
-        zrep_msg info "Attempt $attempt of $retries: Downloading..."
+        zrep_msg sub "Attempt $attempt of $retries: Downloading..."
         # Use curl to download the file, capturing HTTP status code
         http_status=$(curl -s -w "%{http_code}" -o "${zipFile}" "${dlurl}" -o /dev/null)
 
         # Check if curl command was successful and HTTP status is 200 (OK)
         if [[ $? -eq 0 && ${http_status} -eq 200 ]]; then
-            zrep_msg info "Download successful."
+            zrep_msg sub "Download successful."
             return 0
         else
             zrep_msg debug "Error: Failed to download the package. HTTP status: ${http_status}."
@@ -509,9 +542,7 @@ function zrep_install_package() {
 
     # If not installed, proceed with fetching the package information
     zrep_parse_remote "${config[global_repo_url]}/packages.json" "${package}"
-    # echo "zrep_install_package: $dlurl"
 
-    #local baseDir="${config[main_zrep_install_dir]}"
     local tmpDir="${config[main_zrep_install_dir]}/tmp"
 
     mkdir -p "${tmpDir}"
@@ -540,7 +571,6 @@ function zrep_parse_installed_json() {
 }
 
 function zrep_parse_package_name() {
-    # echo "Looking for package ${1}"
     package_name="${1}"
     zrep_installed_json
     author="${package_name%/*}"
@@ -699,7 +729,6 @@ function main() {
     case "${1}" in
         init)
     	    zrep_init
-    	    # zrep_fpath ${config[main_zrep_install_dir]}
     	    exit
             ;;
         check)