Data.List: Add find_index and find_indices functions
Data.List: Add find_last_index function
Data.List: Fix code format
Data.List: Added binary_search()
Data.List: Added specs for binary_search()
Data.List: Added a document for binary_search()
spec: refactor
spec: report error when Vim was aborted
Merge pull request #190 from rhysd/add/data-list-binary_search

Data.List: Added missing function for binary search
Data.List: Fix comments
Data.List: Fix an error caused if a:start is over the range
Data.List: Fix an error with negative a:start
Text.Table: Add a new module `Text.Table'
vitalizer: Initial install is wrongly detected as uninstall
spec: make quiet mode as default
spec: apply changes to spec.bat
Text.Table: Fix spacing rule.
Prelude: Add description to path2project_directory()
Text.Table: Remove unnecessary condition.
Text.Table: Fix wrapping mistake on without rows.