Transcendental Lisp [master]

Upgrade IntelliJ

diff --git a/.gitignore b/.gitignore
index 3343255..2ceb01b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,6 @@
 fitnesse/FitNesseRoot/files
 fitnesse/fitnesse-results
 target/
-*.iml
 *.swp
 *.zip
 dependency-reduced-pom.xml
diff --git a/.idea/$PRODUCT_WORKSPACE_FILE$ b/.idea/$PRODUCT_WORKSPACE_FILE$
deleted file mode 100644
index 1f81458..0000000
--- a/.idea/$PRODUCT_WORKSPACE_FILE$
+++ /dev/null
@@ -1,54 +0,0 @@
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-          Python 3.6 interpreter library
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diff --git a/.idea/encodings.xml b/.idea/encodings.xml
index b26911b..942f3a2 100644
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -1,6 +1,7 @@
 
 
   
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diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..712ab9d
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
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diff --git a/.idea/misc.xml b/.idea/misc.xml
index 5be2610..972ec8d 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,8 +1,5 @@
 
 
-  
-    IDE
-  
   
     
       
@@ -10,7 +7,5 @@
       
     
   
-  
-    

-  
+  
 
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diff --git a/pom.xml b/pom.xml
index eefb4b3..d5b6698 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
   
     UTF-8
-    1.3.50
+    1.3.72
     5.3.1
     false
   
@@ -201,4 +201,4 @@
     
   
 
-
\ No newline at end of file
+
diff --git a/src/main/kotlin/token/TokenFactoryImpl.kt b/src/main/kotlin/token/TokenFactoryImpl.kt
index a60c705..07b3208 100644
--- a/src/main/kotlin/token/TokenFactoryImpl.kt
+++ b/src/main/kotlin/token/TokenFactoryImpl.kt
@@ -20,9 +20,7 @@ class TokenFactoryImpl : TokenFactory {
         if (text.isEmpty())
             throw EmptyTokenTextException(position)
 
-        val firstCharacter = text[0]
-
-        return when (firstCharacter) {
+        return when (val firstCharacter = text[0]) {
             LEFT_PARENTHESIS  -> LeftParenthesis(text, position)
             RIGHT_PARENTHESIS -> RightParenthesis(text, position)
             SINGLE_QUOTE      -> QuoteMark(text, position)
diff --git a/transcendental-lisp.iml b/transcendental-lisp.iml
new file mode 100644
index 0000000..1391d23
--- /dev/null
+++ b/transcendental-lisp.iml
@@ -0,0 +1,66 @@
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