Compare two streams using strings to overcome some issues where stream lengths differed while the content was equal

Add Remove and RemoveAll methods for conditional formats.

Fix issue when changing a table column names

Set ApplyNumberFormat and ApplyAlignment to true

fixed comments formatting error

Added IsBlank

Group conditional formatting for same ranges

Update IF function to support 2 parameters

Fix issue with RangeUsed including styles

Load drawing colors with the format "name [index]"

Fix Left, Right, and Mid functions for empty strings

Merge branch 'NickNack2020/ClosedXml'

Update Adjust to contents (gotta love doubles)

Bump version

Made sure Conditional Format formulas are converted as invariant culture.

Update GetColumnLetterFromNumber function

Merge branch 'AdjustToContentsFix' of https://git01.codeplex.com/forks/nicknack2020/closedxml into NickNack2020/ClosedXml

Fix for https://closedxml.codeplex.com/workitem/9022 invalid sequence on MAX formula

Fix for AdjustToContents so that it is threadsafe

Added check back in for when row and col position are passed in as strings

Making XLHelper ThreadSafe

ToStringFix

Added locking to static dictionaries in XLColor_static class

Merge branch 'NickNack2020/ClosedXml'

Update WorkbookProperties test file

Throw exception when trying to save a workbook without worksheets.

Fix for https://closedxml.codeplex.com/workitem/7832

Add Workbook protection

Merge branch 'NickNack2020/ClosedXml'

Merge branch 'LoadComments' of https://git01.codeplex.com/forks/nicknack2020/closedxml into NickNack2020/ClosedXml