diff --git a/setup/install.ab b/setup/install.ab
index 0425fdf9..5f1ad551 100644
--- a/setup/install.ab
+++ b/setup/install.ab
@@ -1,6 +1,8 @@
+import { hasFailed } from "std"
+
 let name = "AmberNative"
 let target = "amber"
-let tag = "0.3.0-alpha"
+let tag = "0.3.1-alpha"
 let place = "/opt/amber"
 
 unsafe {
@@ -29,34 +31,26 @@ unsafe {
     }
 
     echo "Installing Amber"
-    let isDone = false
-
-    silent $ruby -v$
-    if status == 0 {
-        let code = "require \"open-uri\"; open(\"{target}\", \"wb\") do |file|; file << open(\"{url}\").read; end"
-        echo "Using ruby as a download method..."
-        $sudo ruby -e "{code}"$
-        isDone = true
-    }
-
-    silent $curl -v$
-    if status == 0 {
-        echo "Using curl as a download method..."
-        $curl -o "{target}" "{url}"$
-        isDone = true
-    }
-
-    silent $wget -v$
-    if status == 0 {
-        echo "Using wget as a download method..."
-        $wget -O "{target}" "{url}"$
-        isDone = true
-    }
 
-    if not isDone {
-        echo "Neither ruby, curl or wget are installed on your system."
-        echo "Please install one of them and try again."
-        $exit 1$
+    if {
+        not hasFailed("ruby -v") {
+            let code = "require \"open-uri\"; open(\"{target}\", \"wb\") do |file|; file << open(\"{url}\").read; end"
+            echo "Using ruby as a download method..."
+            $sudo ruby -e "{code}"$    
+        }
+        not hasFailed("curl -v") {
+            echo "Using curl as a download method..."
+            $curl -o "{target}" "{url}"$
+        }
+        not hasFailed("wget -V") {
+            echo "Using wget as a download method..."
+            $wget -O "{target}" "{url}"$
+        }
+        else {
+            echo "Neither ruby, curl or wget are installed on your system."
+            echo "Please install one of them and try again."
+            $exit 1$
+        }
     }
 
     // Create directory for amber
@@ -69,4 +63,4 @@ unsafe {
     $sudo ln -s "{place}/{target}" "/usr/local/bin/{target}"$
     // Send success message
     echo "Amber has been installed successfully. 🎉"
-}
\ No newline at end of file
+}
diff --git a/setup/install.sh b/setup/install.sh
index df6a9eec..3e4d82dd 100755
--- a/setup/install.sh
+++ b/setup/install.sh
@@ -1,6 +1,17 @@
+function hasFailed__18_v0 {
+    local command=$1
+            ${command} > /dev/null 2>&1
+__AMBER_STATUS=$?;
+if [ $__AMBER_STATUS != 0 ]; then
+$(exit $__AMBER_STATUS)
+:
+fi;
+    __AMBER_FUN_hasFailed18_v0=$(echo $__AMBER_STATUS '!=' 0 | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//');
+    return 0
+}
 __0_name="AmberNative";
 __1_target="amber";
-__2_tag="0.3.0-alpha";
+__2_tag="0.3.1-alpha";
 __3_place="/opt/amber";
     __AMBER_VAL_0=$(uname -s);
     __AMBER_STATUS=$?;
@@ -36,57 +47,35 @@ $(exit $__AMBER_STATUS)
 fi
 fi;
     echo "Installing Amber";
-    isDone=0;
-            ruby -v > /dev/null 2>&1
-__AMBER_STATUS=$?;
-if [ $__AMBER_STATUS != 0 ]; then
-$(exit $__AMBER_STATUS)
-:
-fi;
-    if [ $(echo $__AMBER_STATUS '==' 0 | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
+    hasFailed__18_v0 "ruby -v";
+    hasFailed__18_v0 "curl -v";
+    hasFailed__18_v0 "wget -V";
+    if [ $(echo  '!' ${__AMBER_FUN_hasFailed18_v0} | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
         code="require \"open-uri\"; open(\"${__1_target}\", \"wb\") do |file|; file << open(\"${url}\").read; end";
         echo "Using ruby as a download method...";
-        ruby -e "${code}"
-__AMBER_STATUS=$?;
-if [ $__AMBER_STATUS != 0 ]; then
-$(exit $__AMBER_STATUS)
-:
-fi;
-        isDone=1
-fi;
-            curl -v > /dev/null 2>&1
+        sudo ruby -e "${code}"
 __AMBER_STATUS=$?;
 if [ $__AMBER_STATUS != 0 ]; then
 $(exit $__AMBER_STATUS)
 :
-fi;
-    if [ $(echo $__AMBER_STATUS '==' 0 | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
+fi
+elif [ $(echo  '!' ${__AMBER_FUN_hasFailed18_v0} | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
         echo "Using curl as a download method...";
         curl -o "${__1_target}" "${url}"
 __AMBER_STATUS=$?;
 if [ $__AMBER_STATUS != 0 ]; then
 $(exit $__AMBER_STATUS)
 :
-fi;
-        isDone=1
-fi;
-            wget -v > /dev/null 2>&1
-__AMBER_STATUS=$?;
-if [ $__AMBER_STATUS != 0 ]; then
-$(exit $__AMBER_STATUS)
-:
-fi;
-    if [ $(echo $__AMBER_STATUS '==' 0 | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
+fi
+elif [ $(echo  '!' ${__AMBER_FUN_hasFailed18_v0} | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
         echo "Using wget as a download method...";
         wget -O "${__1_target}" "${url}"
 __AMBER_STATUS=$?;
 if [ $__AMBER_STATUS != 0 ]; then
 $(exit $__AMBER_STATUS)
 :
-fi;
-        isDone=1
-fi;
-    if [ $(echo  '!' ${isDone} | bc -l | sed '/\./ s/\.\{0,1\}0\{1,\}$//') != 0 ]; then
+fi
+else
         echo "Neither ruby, curl or wget are installed on your system.";
         echo "Please install one of them and try again.";
         exit 1
diff --git a/src/modules/condition/ifchain.rs b/src/modules/condition/ifchain.rs
index a20b6a4a..cf6d699f 100644
--- a/src/modules/condition/ifchain.rs
+++ b/src/modules/condition/ifchain.rs
@@ -38,10 +38,13 @@ impl SyntaxModule<ParserMetadata> for IfChain {
                 is_else = true;
                 break
             }
-            // Handle end of the if chain
-            if syntax(meta, &mut cond).is_err() {
+            if token(meta, "}").is_ok() {
                 break
             }
+            // Handle end of the if chain
+            if let Err(err) = syntax(meta, &mut cond) {
+                return Err(err)
+            }
             match token(meta, "{") {
                 Ok(_) => {
                     syntax(meta, &mut block)?;
diff --git a/src/modules/expression/binop/mod.rs b/src/modules/expression/binop/mod.rs
index eff5f43f..e153de1c 100644
--- a/src/modules/expression/binop/mod.rs
+++ b/src/modules/expression/binop/mod.rs
@@ -1,5 +1,5 @@
 use heraclitus_compiler::prelude::*;
-use crate::{utils::{metadata::ParserMetadata}, modules::types::{Type, Typed}};
+use crate::{utils::metadata::ParserMetadata, modules::types::{Type, Typed}};
 use super::super::expression::expr::Expr;
 
 pub mod add;
diff --git a/src/modules/function/declaration.rs b/src/modules/function/declaration.rs
index 9ce64721..f4a58f54 100644
--- a/src/modules/function/declaration.rs
+++ b/src/modules/function/declaration.rs
@@ -110,6 +110,10 @@ impl SyntaxModule<ParserMetadata> for FunctionDeclaration {
                         self.arg_types.push(Type::Generic);
                     }
                 }
+                let tok = meta.get_current_token();
+                if token(meta, "=").is_ok() {
+                    return error!(meta, tok, "Default values for function arguments are not yet supported")
+                }
                 match token(meta, ")") {
                     Ok(_) => break,
                     Err(_) => token(meta, ",")?
diff --git a/src/modules/function/invocation_utils.rs b/src/modules/function/invocation_utils.rs
index e314253b..03182b09 100644
--- a/src/modules/function/invocation_utils.rs
+++ b/src/modules/function/invocation_utils.rs
@@ -46,8 +46,11 @@ fn run_function_with_args(meta: &mut ParserMetadata, mut fun: FunctionDecl, args
     }
     let mut ctx = meta.fun_cache.get_context(fun.id).unwrap().clone();
     let mut block = Block::new();
+    let mut binop_border = None;
     // Swap the contexts to use the function context
     swap(&mut ctx, &mut meta.context);
+    // Swap the binop border to clear it
+    swap(&mut binop_border, &mut meta.binop_border);
     // Create a sub context for new variables
     meta.push_scope();
     for (kind, name, is_ref) in izip!(args, &fun.arg_names, &fun.arg_refs) {
@@ -63,6 +66,8 @@ fn run_function_with_args(meta: &mut ParserMetadata, mut fun: FunctionDecl, args
     meta.pop_scope();
     // Restore old context
     swap(&mut ctx, &mut meta.context);
+    // Restore old binop border
+    swap(&mut binop_border, &mut meta.binop_border);
     // Set the new return type or null if nothing was returned
     if let Type::Generic = fun.returns {
         fun.returns = ctx.fun_ret_type.clone().unwrap_or_else(|| Type::Null);
diff --git a/src/modules/statement/stmt.rs b/src/modules/statement/stmt.rs
index 9c9ada33..e2d8651c 100644
--- a/src/modules/statement/stmt.rs
+++ b/src/modules/statement/stmt.rs
@@ -151,7 +151,7 @@ impl TranslateModule for Statement {
         // Translate the statement
         let translated = self.translate_match(meta, self.value.as_ref().unwrap());
         // This is a workaround that handles $(...) which cannot be used as a statement
-        let translated = (matches!(self.value, Some(StatementType::Expr(_))) || translated.starts_with('$') || translated.starts_with("\"$"))
+        let translated = (matches!(self.value, Some(StatementType::Expr(_))) || translated.starts_with("$(") || translated.starts_with("\"$("))
             .then(|| format!("echo {} > /dev/null 2>&1", translated))
             .unwrap_or_else(|| translated);
         // Get all the required supplemental statements
diff --git a/src/std/main.ab b/src/std/main.ab
index 12e28b4d..1c4beeb6 100644
--- a/src/std/main.ab
+++ b/src/std/main.ab
@@ -73,7 +73,6 @@ pub fun parse(text: Text): Num {
     return text as Num
 }
 
-#[allow_absurd_cast]
 pub fun chars(text: Text): [Text] {
     let chars = [Text]
     unsafe $for ((i=0; i<\$\{#{nameof text}}; i++)); do
@@ -86,3 +85,12 @@ pub fun chars(text: Text): [Text] {
 pub fun sum(list: [Num]): Num {
     return unsafe $echo "{list}" | awk '\{s=0; for (i=1; i<=NF; i++) s+=\$i; print s}'$ as Num
 }
+
+pub fun hasFailed(command: Text): Bool {
+    unsafe silent ${command}$
+    return status != 0
+}
+
+pub fun exit(code: Num): Null {
+    unsafe $exit "{code}"$
+}
diff --git a/src/tests/validity.rs b/src/tests/validity.rs
index c8f3b66a..df45db6b 100644
--- a/src/tests/validity.rs
+++ b/src/tests/validity.rs
@@ -725,7 +725,7 @@ fn status() {
             echo status
         }
     ";
-    test_amber!(code, "127\n0");
+    test_amber!(code, "127\n127");
 }
 
 #[test]