Updete version to v1.0.0
Added default options, resolved #10
Merge branch 'default_options_#10' into release-1.0.0
Start developing extentions
Text fixes
More text fixes
 Taken to improve the options for extendHandlers, resolve #14
Supports strings for extnames string, resolve #13
Merge branch 'extensions' into release-1.0.0
resolve #9
Merge branch 'release-1.0.0'