Changes main package name and fixes files with weird names throwing errors

Fixes conversion of files with a single quote or square brackets in the filename
Moves all files into the net.knarcraft.ffmpegconverter package

src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java

@@ -0,0 +1,65 @@
+package net.knarcraft.ffmpegconverter.streams;
+
+/**
+ * An object representation of a subtitle stream in a media file
+ */
+public class SubtitleStream extends StreamObject {
+    final private String language;
+    final private String title; //Title shown
+    final private boolean isFullSubtitle; //Songs and signs will be false
+    final private boolean isImageSubtitle;
+
+    public SubtitleStream(String codecName, int absoluteIndex, int relativeIndex, String language, String title) {
+        this.codecType = "subtitle";
+        this.codecName = codecName;
+        this.absoluteIndex = absoluteIndex;
+        this.language = language;
+        this.title = title;
+        this.isFullSubtitle = isFullSubtitle();
+        this.relativeIndex = relativeIndex;
+        this.isImageSubtitle = isImageSubtitle();
+    }
+
+    /**
+     * Checks whether a subtitle is image based (as opposed to text based)
+     * @return True if the subtitle is image based
+     */
+    private boolean isImageSubtitle() {
+        return codecName != null && getCodecName().equals("hdmv_pgs_subtitle");
+    }
+
+    /**
+     * Checks whether translates everything (as opposed to just songs and signs)
+     * @return True if the subtitles translate everything
+     */
+    private boolean isFullSubtitle() {
+        if (getTitle() == null) {
+            return false;
+        }
+        String titleLowercase = getTitle().toLowerCase();
+        return !(titleLowercase.contains("songs and signs") || 
+                titleLowercase.contains("signs and songs") ||
+                titleLowercase.contains("songs & signs") || 
+                titleLowercase.contains("signs & songs") ||
+                titleLowercase.contains("signs/song") || 
+                titleLowercase.contains("songs/sign") ||
+                titleLowercase.contains("[forced]") || 
+                titleLowercase.contains("(forced)"));
+    }
+
+    public String getLanguage() {
+        return this.language;
+    }
+
+    public String getTitle() {
+        return this.title;
+    }
+
+    public boolean getIsImageSubtitle() {
+        return this.isImageSubtitle;
+    }
+
+    public boolean getIsFullSubtitle() {
+        return this.isFullSubtitle;
+    }
+}