v1.4.0

LaTeXStrings v1.4.0

Diff since v1.3.1

Merged pull requests:

• Fix invalidations by removing unnecessary methods (#69) (@jakobjpeters)
• add compat section for test dependencies (#70) (@stevengj)

Closed issues:

• How to underline a text in julia using Latex String? (#71)
• Hyphens are turned into minus signs (#73)