Matching column names should ignore white space

[omaratstariongroup]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am running the latest version of the VCD-Generator
• I have searched open and closed issues to ensure it has not already been reported

Description

Currently if the column name have a white space at the beginning or end of the name, It makes matching columns fails.
Whitespaces at the beginning or end of column name should be ignored.

Steps to Reproduce

Add an extra white space to the Identifier or Requirement column name.
The matching of column names will fail.

System Configuration

• VCD-Generator version:
  • VCD-Generator: 3.0.1.0
  • Other:
• Environment (Operating system, version and so on):
• .NET version:
• Additional information: