Open addressing using double hashing (aalhour#41)

* Initial work and implementation of Open Addresssing using Double Hashing

* Added search, expand, contract - also refactored insert and double_hash

* Removed contract and added more testing

* Added hashing for string and char and testing for string, char, and float

* Updated headers for cs file and testing file

* Starting to implement IDictionary Interface

* Impletements more of the IDictionary Interface with testing

* Added more comments and testing for KeyValuePair

Author: SamuelKenney

DataStructures/DataStructures.csproj

@@ -40,6 +40,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Dictionaries\CuckooHashTable.cs" />
+    <Compile Include="Dictionaries\OpenAddressingHashTable.cs" />
     <Compile Include="Dictionaries\OpenScatterHashTable.cs" />
     <Compile Include="Graphs\DirectedSparseGraph.cs" />
     <Compile Include="Graphs\DirectedWeightedSparseGraph.cs" />
@@ -116,7 +117,5 @@
     </Content>
   </ItemGroup>
   <ItemGroup />
-  <ItemGroup>
-    <Folder Include="SortedCollections\" />
-  </ItemGroup>
+  <ItemGroup />
 </Project>