diff --git a/.gitignore b/.gitignore
index 53ceb9f..9b1b814 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,6 @@
 tmp
 logs
 cache_store
-*.iml
 /bin/
 *.log
 i5validation.json
diff --git a/totalngrams.iml b/totalngrams.iml
new file mode 100644
index 0000000..251f620
--- /dev/null
+++ b/totalngrams.iml
@@ -0,0 +1,178 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_17">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/target/generated-sources/annotations" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/groovy" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library name="Grab:picocli-groovy-4.6.3.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/info.picocli/picocli-groovy/jars/picocli-groovy-4.6.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:picocli-4.6.3.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/info.picocli/picocli/jars/picocli-4.6.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:commons-compress-1.22.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/org.apache.commons/commons-compress/jars/commons-compress-1.22.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:gpars-1.2.1.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/org.codehaus.gpars/gpars/jars/gpars-1.2.1.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:multiverse-core-0.7.0.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/org.multiverse/multiverse-core/jars/multiverse-core-0.7.0.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:jsr166y-1.7.0.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/org.codehaus.jsr166-mirror/jsr166y/jars/jsr166y-1.7.0.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="Grab:xz-1.9.jar">
+        <CLASSES>
+          <root url="jar://$USER_HOME$/.groovy/grapes/org.tukaani/xz/jars/xz-1.9.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="library" name="Maven: info.picocli:picocli:4.7.0" level="project" />
+    <orderEntry type="library" name="Maven: org.anarres:parallelgzip:1.0.5" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:annotations:3.0.1" level="project" />
+    <orderEntry type="library" name="Maven: net.jcip:jcip-annotations:1.0" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:jsr305:3.0.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter:5.9.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.9.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.2.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.9.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.1.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-params:5.9.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.9.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.9.1" level="project" />
+    <orderEntry type="library" name="Maven: org.bouncycastle:bcprov-jdk15on:1.70" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.mojo:appassembler-maven-plugin:2.1.0" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.mojo.appassembler:appassembler-model:2.1.0" level="project" />
+    <orderEntry type="library" name="Maven: net.java.dev.stax-utils:stax-utils:20060502" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: stax:stax:1.1.1-dev" level="project" />
+    <orderEntry type="library" name="Maven: junit:junit:3.8.1" level="project" />
+    <orderEntry type="library" name="Maven: commons-io:commons-io:2.4" level="project" />
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+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-interpolation:1.25" level="project" />
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+    <orderEntry type="library" name="Maven: stax:stax-api:1.0.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-model:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-plugin-api:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-project:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-settings:2.2.1" level="project" />
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+    <orderEntry type="library" name="Maven: org.apache.maven:maven-repository-metadata:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-provider-api:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: backport-util-concurrent:backport-util-concurrent:3.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-plugin-registry:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-container-default:1.0-alpha-9-stable-1" level="project" />
+    <orderEntry type="library" name="Maven: classworlds:classworlds:1.1-alpha-2" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.shared:maven-filtering:1.3" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-core:2.2.1" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.maven.wagon:wagon-file:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-plugin-parameter-documenter:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-http-lightweight:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-http-shared:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: nekohtml:xercesMinimal:1.9.6.2" level="project" />
+    <orderEntry type="library" name="Maven: nekohtml:nekohtml:1.9.6.2" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-http:1.0-beta-6" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.maven.wagon:wagon-webdav-jackrabbit:1.0-beta-6" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.jackrabbit:jackrabbit-webdav:1.5.0" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.jackrabbit:jackrabbit-jcr-commons:1.5.0" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: commons-httpclient:commons-httpclient:3.0" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: commons-codec:commons-codec:1.2" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.slf4j:slf4j-nop:1.5.3" level="project" />
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+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.slf4j:slf4j-api:1.5.6" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.slf4j:jcl-over-slf4j:1.5.6" level="project" />
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+    <orderEntry type="library" name="Maven: org.apache.maven.doxia:doxia-sink-api:1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.doxia:doxia-logging-api:1.1" level="project" />
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+    <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.maven.wagon:wagon-ssh-external:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-ssh-common:1.0-beta-6" level="project" />
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+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-interactivity-api:1.0-alpha-4" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven:maven-monitor:2.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.wagon:wagon-ssh:1.0-beta-6" level="project" />
+    <orderEntry type="library" name="Maven: com.jcraft:jsch:0.1.38" level="project" />
+    <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-sec-dispatcher:1.3" level="project" />
+    <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-cipher:1.4" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.shared:maven-shared-utils:0.6" level="project" />
+    <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-build-api:0.0.4" level="project" />
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+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-archiver:3.2" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-io:2.7.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.commons:commons-compress:1.10" level="project" />
+    <orderEntry type="library" name="Maven: org.iq80.snappy:snappy:0.4" level="project" />
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+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:maven-surefire-common:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-api:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-logger-api:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-extensions-api:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-booter:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-extensions-spi:3.0.0-M7" level="project" />
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+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-java:1.1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.ow2.asm:asm:9.2" level="project" />
+    <orderEntry type="library" name="Maven: com.thoughtworks.qdox:qdox:2.0.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.surefire:surefire-shared-utils:3.0.0-M7" level="project" />
+    <orderEntry type="library" name="Maven: org.jetbrains:annotations:23.0.0" level="project" />
+    <orderEntry type="library" name="Maven: org.tukaani:xz:1.9" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.groovy:groovy:4.0.6" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.gpars:gpars:1.2.1" level="project" />
+    <orderEntry type="library" name="Maven: org.multiverse:multiverse-core:0.7.0" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.jsr166-mirror:jsr166y:1.7.0" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.ivy:ivy:2.5.1" level="project" />
+    <orderEntry type="library" name="Maven: info.picocli:picocli-groovy:4.7.0" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.groovy:groovy-all:2.4.21" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.groovy:groovy-cli-picocli:4.0.6" level="project" />
+    <orderEntry type="library" name="Maven: commons-cli:commons-cli:1.5.0" level="project" />
+  </component>
+</module>
\ No newline at end of file