v0.5.0: Merge pull request #43 from thombashi/develop

• Add feature to create table from HTML
• Bug fixes

v0.4.7: Merge pull request #41 from thombashi/develop

• Modify error handling when opening a spreadsheet

v0.4.6: Merge pull request #40 from thombashi/develop

• Bug fixes

v0.4.5: Merge pull request #39 from thombashi/develop

• Refactoring

v0.4.4: Merge pull request #38 from thombashi/develop

• Improve memory efficiency for Python 2

v0.4.3: Merge pull request #35 from thombashi/develop

• Replace functions that no longer supported

v0.4.2: Merge pull request #34 from thombashi/develop

• Drop support for Python 2.6

v0.4.1: Merge pull request #33 from thombashi/develop

• Fix conversion error when data include a version string (such as "3.3.5")

v0.4.0: Merge pull request #32 from thombashi/develop

• Add get_num_records method
• Add get_attr_type method
• Modify to santize quote/double-quote in attribute name

v0.3.5: Merge pull request #30 from thombashi/develop

• Fix for a case that have a single-quote/double-quote in a table header