update changelog for version 0.3.1.0

Author: Gumball2415

hlp/changelog.htm

@@ -61,6 +61,45 @@
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 <!-- all data below is Dn-FT changes-->
+<br>
+	<span class="heading">Dn Version 0.3.1.0</span>
+		<ul class="changelog">
+			<li>Important Changes:</li>
+			<ul class="changelog">
+				<li>N163 and 5B expansion audio mixing has been restored to 0.2.1 levels (@nyanpasu64
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/66" target="new">#66</a>)</li>
+				<li>Adjusted APU 2 levels to match blargg's original formula (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/69" target="new">#69</a>)</li>
+			</ul>
+			<li>Additions:</li>
+			<ul class="changelog">
+				<li>Added a textbox for patch editing within the VRC7 instrument editor (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/60" target="new">#60</a>)</li>
+			</ul>
+			<li>Improvements:</li>
+			<ul class="changelog">
+				<li>Edit NSF export format to allow adding more effects (@Gumball2415, @nyanpasu64
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/46" target="new">#46</a>)</li>
+			</ul>
+			<li>Bug fixes:</li>
+			<ul class="changelog">
+				<li>Fix VRC7 hardware patch bank presets not reading properly (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/60" target="new">#60</a>)</li>
+				<li>Fix crash when increasing engine speed with VRC7 enabled (@nyanpasu64
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/62" target="new">#62</a>)</li>
+				<li>Fix N163 and 5B mixing levels which were swapped in 0.3.0 (causing N163 to be louder and 5B to be quieter) (@nyanpasu64
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/66" target="new">#66</a>)</li>
+			</ul>
+			<li>Internal:</li>
+			<ul class="changelog">
+				<li>Update VRC7 emulator core (emu2413) to v1.5.6 (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/59" target="new">#59</a>)</li>
+				<li>Port CVRC7 to CSoundChip2 (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/59" target="new">#59</a>)</li>
+				<li>Refactor VRC7 hardware patch bank swapping (@Gumball2415
+				<a href="https://github.com/Gumball2415/Dn-FamiTracker/pull/59" target="new">#59</a>)</li>
+			</ul>
+		</ul>
 <br>
 	<span class="heading">Dn-FamiTracker Version 0.3.0.0</span>
 		<ul class="changelog">