Set sheet state to null if it's visible.

Fix hyperlinks - include sheet name.

Allow static members to be dumped.

Update ISSUE_TEMPLATE.md

Merge branch 'develop' of https://github.com/ClosedXML/ClosedXML into netstandard2 ...

# Conflicts:
#	ClosedXML/Excel/XLWorkbook_Save.cs
#	ClosedXML_Tests/ClosedXML_Tests.csproj

Merge pull request #467 from igitur/fix-pivot-table-saving ...

Fix pivot table saving

Merge pull request #466 from igitur/fix-phonetics ...

Fix phonetics.

Fix pivot table saving

Fix phonetics. End index must be larger than begin index.

Add support for .NET 3.5

Upgrade NUnit

Reindent file

Use CoreCompat for measuring fonts on netstandard - remove lots of conditional code

Allow totals row when resizing tables

Exclude Excel temporary files when building

Fix for DeflateStream not being seekable. Copy to MemoryStream

Workaround for OpenXML bug as per https://github.com/OfficeDev/Open-XML-SDK/issues/235

Better approximation of font sizes on netstandard2

Disable OpenXML test on AppVeyor until bug is fixed

Add .editorconfig files back in projects

Merge branch 'develop' of https://github.com/ClosedXML/ClosedXML into netstandard2 ...

# Conflicts:
#	ClosedXML/Properties/AssemblyVersionInfo.cs

Move Tables examples / tests to own folder

Implement basic table resizing

Merge branch 'develop' of https://github.com/ClosedXML/ClosedXML into issue447-allow-table-resizing

Merge pull request #462 from igitur/update-source-after-saveas ...

Update load source and type after SaveAs()

Update load source and type after SaveAs()

Don't allow overlapping tables

Don't save empty cells to file, even if they have conditional formatting applied

Merge branch 'develop' of https://github.com/ClosedXML/ClosedXML into improve-calcengine-exceptions ...

# Conflicts:
#	ClosedXML/Excel/CalcEngine/Expression.cs
#	ClosedXML/Excel/CalcEngine/Functions/Lookup.cs
#	ClosedXML_Tests/Excel/CalcEngine/LookupTests.cs
#	ClosedXML_Tests/Excel/Misc/FormulaTests.cs

Fix warnings